15 Other Ways to Say “SIGNIFICANT” (With Examples) can help you choose a more precise alternative when writing an essay, article, or email. When you say something is significant, you usually mean it is important, has noticeable importance, or describes a major change. This adjective can refer to the importance, size, or meaning of a significant result in a scientific study. For a student, students, bloggers, content writers, and daily English users, learning synonyms for significant can make writing stronger, less repetitive, and smoother. The best synonyms depend on the context, tone, and exact meaning you want your words to express.
In everyday conversation, conversations, messages, and everyday writing, significant may also have a less common meaning, including a special meaning or hidden meaning. A significant other is a person who is important in your life, while a significant smile can convey feelings or information without words. Its Latin roots include significans, significare, signify, signum, sign, mark, and facere, meaning make.
Choosing the right alternative depends on how it comes across; meaningful, notable, and expressive may work differently from natural alternatives that sound more formal or conversational. When you explore these different ways, 23 useful choices, practical examples, sentences, and guidance can help you understand what works best and make your ideas clearer, precise, and more interesting.
What Does “SIGNIFICANT” Mean?
Significant generally means important, meaningful, or large enough to matter. When you call something significant, you’re saying that it has a noticeable effect, carries importance, or deserves attention. For example, “The project made significant progress” means the progress was substantial enough to be worth noticing. The word can also mean noticeably large or considerable, as in “There was a significant increase in sales.” In some contexts, especially academic or scientific writing, significant can have a more specific meaning related to statistical significance. Its exact meaning therefore depends on the context.
Common Situations Where “SIGNIFICANT” Is Used
People use significant in everyday conversation, workplace communication, academic writing, reports, news, and formal discussions. You might say that someone made a significant contribution, that a decision had a significant impact, or that there was a significant change in a situation.
The word works especially well when you want to emphasize importance or noticeable size without sounding overly emotional. However, depending on your audience, another expression may communicate your meaning more naturally. A casual conversation might call something “a big deal,” while a business report may prefer “substantial” or “considerable.”
Is It Professional or Polite to Say “SIGNIFICANT”?
Yes. Significant is generally a professional, neutral, and polite word. It appears frequently in business reports, academic writing, presentations, workplace emails, and formal communication. It doesn’t usually sound emotional or overly casual.
The main issue isn’t politeness but precision. Sometimes significant can be too broad because it may mean important, large, meaningful, or noticeable. If you want to tell readers exactly what you mean, a more specific alternative can be stronger. For example, substantial emphasizes size or amount, while meaningful emphasizes personal or emotional value.
Advantages and Disadvantages of Saying “SIGNIFICANT”
Advantages
The biggest advantage of significant is its versatility. It can describe importance, change, impact, progress, differences, contributions, and other ideas. It also works across both formal and everyday contexts. Because it sounds neutral, you can use it without making your statement unnecessarily emotional or dramatic.
Disadvantages
The word can sometimes feel too general. A reader may understand that something matters but still wonder exactly how or why it matters. In casual speech, it can also sound more formal than necessary. Choosing a more specific alternative can add emotional warmth, stronger emphasis, or clearer information.
Synonyms for “SIGNIFICANT”
- Important
- Substantial
- Considerable
- Meaningful
- Notable
- Major
- Significant in size
- Consequential
- Influential
- Remarkable
- Prominent
- Serious
- Far-reaching
- Pivotal
- Momentous
1. Important
Meaning
Important describes something that has value, significance, or a strong reason to matter. It is one of the simplest and most natural alternatives to significant when you’re talking about importance.
Definition
Important means having considerable value, influence, or relevance.
Detailed Explanation
Unlike significant, important focuses directly on value or priority rather than size or measurable change. It works well when you want your meaning to be immediately clear. It’s also much more common in everyday English, so it can make a sentence feel less formal. However, it doesn’t necessarily suggest that something is large or substantial.
Scenario Examples
Scenario: A manager explains why a deadline matters.
Example: “This deadline is important because the client is waiting for the final report.”
Scenario: You talk about someone who helped you.
Example: “She played an important role in helping me finish the project.”
Best Use
Use important in everyday conversation, emails, school writing, workplace communication, and personal messages.
Tone
Tone: Clear, neutral, and direct.
It sounds natural because it is one of the most familiar ways to express importance.
2. Substantial
Meaning
Substantial describes something that is large, considerable, or meaningful in amount or degree.
Definition
Substantial means considerable in size, amount, value, or effect.
Detailed Explanation
Substantial is particularly useful when significant refers to a noticeable amount or degree. For example, a substantial increase suggests that the increase was fairly large. It is less focused on emotional importance than meaningful and more focused on measurable scale. In professional and academic writing, it often provides more precision than significant.
Scenario Examples
Scenario: A company reports financial growth.
Example: “The company experienced a substantial increase in revenue this year.”
Scenario: A construction project receives funding.
Example: “The project requires a substantial investment before work can begin.”
Best Use
Use it in business reports, academic writing, financial discussions, and formal communication when size or amount matters.
Tone
Tone: Professional, measured, and factual.
It emphasizes scale rather than personal emotion.
3. Considerable
Meaning
Considerable means fairly large, substantial, or worthy of attention.
Definition
Considerable describes something that is noticeably large in amount, degree, or importance.
Detailed Explanation
Considerable works well when you want to emphasize that something is more than ordinary or small. It can describe time, effort, cost, influence, difficulty, or change. Compared with important, it usually gives more attention to degree or extent. It sounds polished without being excessively formal.
Scenario Examples
Scenario: Someone has spent a lot of time preparing.
Example: “She put considerable effort into preparing the presentation.”
Scenario: A business faces higher expenses.
Example: “The company has faced considerable costs during the expansion.”
Best Use
Use it in professional writing, reports, presentations, and thoughtful everyday conversation.
Tone
Tone: Neutral, polished, and measured.
It suggests that something has noticeable weight or extent.
4. Meaningful
Meaning
Meaningful describes something that has personal value, emotional importance, or real significance.
Definition
Meaningful means having importance, purpose, or emotional value.
Detailed Explanation
Meaningful is a good choice when significant refers to something that matters deeply rather than simply being large. It works especially well for relationships, experiences, conversations, achievements, and contributions. Unlike substantial, it doesn’t focus on quantity. It adds a warmer and more human quality to your wording.
Scenario Examples
Scenario: Someone gives you thoughtful advice.
Example: “Her advice had a meaningful impact on how I approached the problem.”
Scenario: A couple reflects on a special memory.
Example: “That conversation became a meaningful moment for both of us.”
Best Use
Use it in personal messages, relationships, speeches, reflective writing, and emotional communication.
Tone
Tone: Warm, sincere, and thoughtful.
It highlights personal value and emotional importance.
5. Notable
Meaning
Notable describes something that is worthy of attention or worth mentioning.
Definition
Notable means deserving attention because it is unusual, important, or impressive.
Detailed Explanation
Notable is often a softer alternative to significant when you want to point out something worth noticing. It doesn’t always imply that the thing is extremely important. The word is common in reports, biographies, reviews, and formal descriptions. It can also describe an achievement or difference without sounding exaggerated.
Scenario Examples
Scenario: A student improves dramatically.
Example: “There was a notable improvement in her writing this semester.”
Scenario: A report highlights an unusual trend.
Example: “One notable change was the increase in customer inquiries.”
Best Use
Use it in reports, academic writing, reviews, articles, and professional communication.
Tone
Tone: Observational, professional, and restrained.
It draws attention without making an overly strong claim.
6. Major
Meaning
Major describes something that is large, important, or likely to have a strong effect.
Definition
Major means very important, large in scale, or greater than usual.
Detailed Explanation
Major is often stronger and more direct than significant. It works especially well for events, decisions, changes, problems, achievements, and developments. While significant can sound measured, major immediately signals that something deserves serious attention. It is common in both everyday and professional English.
Scenario Examples
Scenario: A company changes its business strategy.
Example: “The company made a major change to its marketing strategy.”
Scenario: Someone faces an unexpected problem.
Example: “Losing the main supplier created a major challenge for the team.”
Best Use
Use it in everyday conversation, news-style writing, business communication, and formal reports.
Tone
Tone: Strong, direct, and confident.
It communicates clear importance or scale.
7. Significant in size
Meaning
Significant in size emphasizes that something is noticeably large or considerable in physical or measurable terms.
Definition
Significant in size means large enough to be clearly noticeable or relevant.
Detailed Explanation
This expression is more specific than simply saying significant. It is useful when the intended meaning concerns physical size, quantity, or measurable extent. It should not replace significant when you’re talking about emotional importance or influence. In many sentences, large, substantial, or considerable may sound more natural.
Scenario Examples
Scenario: A company discusses its warehouse.
Example: “The business now operates from a facility significant in size.”
Scenario: A researcher describes a physical object.
Example: “The team discovered a rock formation significant in size near the site.”
Best Use
Use it mainly in descriptive, technical, or formal contexts where size is specifically relevant.
Tone
Tone: Technical, descriptive, and precise.
It focuses on physical or measurable scale, not emotional importance.
8. Consequential
Meaning
Consequential describes something that has important results or effects, especially effects that influence what happens next.
Definition
Consequential means having important or far-reaching consequences.
Detailed Explanation
Consequential is stronger than significant when the main idea is impact or outcome. It suggests that an action, event, or decision produces meaningful results. The word is more formal and less common in casual conversation. Because it focuses on consequences, it isn’t a universal replacement for significant.
Scenario Examples
Scenario: A company makes a strategic decision.
Example: “The board made a consequential decision about the company’s future.”
Scenario: A policy changes how a department operates.
Example: “The new rule could have consequential effects on smaller businesses.”
Best Use
Use it in formal writing, policy discussions, business analysis, journalism, and serious conversations.
Tone
Tone: Formal, serious, and analytical.
It emphasizes results and consequences.
9. Influential
Meaning
Influential describes someone or something that has the power to affect people, decisions, ideas, or outcomes.
Definition
Influential means having a strong effect on people, ideas, or events.
Detailed Explanation
Influential is not a direct substitute for every use of significant. It works when the intended meaning involves power or influence. You can describe a person, organization, idea, book, movement, or decision as influential. It gives the reader a clearer explanation of how something is significant.
Scenario Examples
Scenario: A writer discusses an important author.
Example: “She became one of the most influential writers of her generation.”
Scenario: A mentor affects someone’s career.
Example: “His advice was influential in shaping my career choice.”
Best Use
Use it in biographies, academic writing, professional communication, history, and discussions of people or ideas.
Tone
Tone: Respectful, analytical, and confident.
It focuses on impact and influence.
10. Remarkable
Meaning
Remarkable describes something that is unusual, impressive, or worthy of special attention.
Definition
Remarkable means unusual or impressive enough to attract attention.
Detailed Explanation
Remarkable adds more emotion and admiration than significant. It works well when you want to emphasize that something stands out. For example, a significant improvement might simply be measurable, while a remarkable improvement sounds especially impressive. Because of this, the two words aren’t always interchangeable.
Scenario Examples
Scenario: Someone makes an impressive recovery.
Example: “She made a remarkable recovery after months of training.”
Scenario: A student achieves something unexpected.
Example: “His progress over the summer was remarkable.”
Best Use
Use it in personal writing, speeches, reviews, storytelling, and situations involving admiration.
Tone
Tone: Positive, enthusiastic, and appreciative.
It adds stronger emotional emphasis than significant.
11. Prominent
Meaning
Prominent describes someone or something that is well-known, noticeable, important, or highly visible within a particular area.
Definition
Prominent means important, well-known, or easily noticeable.
Detailed Explanation
Prominent is most useful when significant means noticeable or important within a group, field, or setting. It commonly describes people, positions, features, landmarks, organizations, and ideas. It doesn’t naturally replace significant when you’re talking about a large numerical change. Context matters strongly here.
Scenario Examples
Scenario: A scholar is widely recognized in a field.
Example: “She is a prominent researcher in environmental science.”
Scenario: A building stands out in a city.
Example: “The tower is a prominent feature of the city skyline.”
Best Use
Use it in professional writing, biographies, academic discussions, news articles, and descriptions.
Tone
Tone: Formal, descriptive, and respectful.
It emphasizes visibility, status, or recognition.
12. Serious
Meaning
Serious describes something that is important, concerning, severe, or deserving careful attention.
Definition
Serious means requiring attention because of its importance, severity, or possible consequences.
Detailed Explanation
Serious works as an alternative to significant when the subject involves problems, risks, consequences, or concerns. It can make the message stronger because it signals that the situation shouldn’t be treated lightly. However, it does not simply mean “important” in every context. For example, a significant achievement is not normally a serious achievement.
Scenario Examples
Scenario: A workplace identifies a safety issue.
Example: “The inspection revealed a serious safety problem.”
Scenario: A friend discusses a personal concern.
Example: “I think we need to have a serious conversation about what happened.”
Best Use
Use it for problems, concerns, risks, conversations, mistakes, and difficult situations.
Tone
Tone: Direct, concerned, and serious.
It communicates that something deserves careful attention.
13. Far-reaching
Meaning
Far-reaching describes something that has effects extending across a wide area, group, period, or range of consequences.
Definition
Far-reaching means affecting many people, areas, or situations over a broad scope.
Detailed Explanation
Far-reaching is particularly useful when significant refers to wide-ranging effects. It emphasizes the breadth of an impact rather than simply saying that something matters. The expression is often used for decisions, reforms, changes, discoveries, and policies. It sounds more formal than everyday alternatives such as important or major.
Scenario Examples
Scenario: A company changes its operating model.
Example: “The decision could have far-reaching effects on the organization.”
Scenario: A scientific discovery changes a field.
Example: “The discovery may have far-reaching implications for future research.”
Best Use
Use it in formal writing, reports, academic work, business analysis, and discussions of broad effects.
Tone
Tone: Formal, analytical, and forward-looking.
It emphasizes wide or long-lasting impact.
14. Pivotal
Meaning
Pivotal describes something that is extremely important because it helps determine what happens next.
Definition
Pivotal means critically important to a particular result, development, or situation.
Detailed Explanation
Pivotal is stronger and more specific than significant because it suggests that something plays a turning-point role. A pivotal decision, moment, person, or event can change the direction of a situation. It should therefore be used when the thing genuinely influences an outcome. Calling every important event pivotal can make the word lose its force.
Scenario Examples
Scenario: A manager makes a decision that changes a project.
Example: “Her decision was pivotal to the project’s success.”
Scenario: Someone remembers an important moment in their career.
Example: “That meeting was a pivotal moment in my career.”
Best Use
Use it in formal writing, professional communication, historical discussions, storytelling, and analysis.
Tone
Tone: Strong, purposeful, and analytical.
It highlights a turning point or decisive role.
15. Momentous
Meaning
Momentous describes something of great importance that may have lasting consequences.
Definition
Momentous means extremely important, especially because it can affect the future.
Detailed Explanation
Momentous is considerably stronger and more formal than significant. It is usually reserved for major events, decisions, achievements, or changes with lasting importance. The word can sound dramatic in casual conversation, so it should be used when the situation genuinely deserves that level of emphasis. It carries a sense of historical or lasting importance.
Scenario Examples
Scenario: A community faces a major decision.
Example: “The council faced a momentous decision about the city’s future.”
Scenario: Someone reflects on a life-changing event.
Example: “Graduating from university was a momentous occasion for her family.”
Best Use
Use it in formal writing, speeches, historical discussions, important announcements, and reflective writing.
Tone
Tone: Formal, powerful, and dramatic.
It communicates exceptional importance and lasting impact.
FAQs
What is another way to say “SIGNIFICANT”?
Some common alternatives include important, substantial, considerable, meaningful, notable, major, consequential, influential, remarkable, pivotal, and momentous. The best choice depends on what you mean by significant. For example, use substantial for size or amount and meaningful for emotional or personal value.
What does “SIGNIFICANT” mean?
Significant generally means important, meaningful, noticeable, or considerable. It can describe something that matters because of its impact, size, difference, or relevance. In scientific contexts, it can also have a specific statistical meaning.
Is “SIGNIFICANT” professional?
Yes. Significant is widely used in professional, academic, business, and formal communication. It has a neutral and polished tone, although a more specific word may sometimes communicate your intended meaning more clearly.
What is a more polite way to say “SIGNIFICANT”?
Important, meaningful, notable, or considerable can work depending on the context. None is automatically more polite than significant. The best choice depends on whether you want to emphasize importance, emotional value, size, or noticeability.
Which alternative works best in formal communication?
There isn’t one universal choice. Substantial, considerable, consequential, far-reaching, and pivotal can work well in formal contexts, but each carries a different meaning. Choose the word that accurately describes the specific type of importance you want to communicate.
Conclusion
Choosing an alternative to significant isn’t simply about replacing one word with another. The better choice depends on what you actually want to emphasize. Important works for straightforward importance, substantial highlights size or amount, meaningful adds emotional value, and pivotal points to a decisive role. Other choices, such as notable, influential, consequential, or far-reaching, add their own shades of meaning.
The key is to consider the context, tone, strength, and intended message before choosing your wording. A careful word choice can make professional writing more precise and personal communication more natural. When you use significant, ask yourself what makes something significant—and choose an alternative that expresses that exact idea.
