A synonym for significant is important, but other useful alternatives include substantial, considerable, notable, meaningful, major, crucial, and noteworthy. The best choice depends on your sentence. Use important for general importance, substantial for a large amount or change, and crucial when something is essential to an outcome.
Key Takeaways
- Important is the most common synonym for significant.
- Substantial and considerable describe large amounts or noticeable changes.
- Crucial and essential emphasize necessity.
- Notable and remarkable highlight something worth noticing.
- Choose a synonym based on your meaning, audience, and writing style.
What Does Significant Mean?
The word significant describes something that has importance, meaning, influence, or a noticeable effect. It can refer to an important event, a major change, a meaningful decision, or a difference large enough to deserve attention.
For example, if a company reports a significant increase in sales, the increase is important and may be large enough to affect its business results.
The word can also describe something with special meaning. A family photograph, for instance, may have significant emotional value even if it has little financial value.
According to Cambridge Dictionary’s thesaurus, important, major, and of note are among the alternatives used when describing something that has a great effect or influence.
What Are the Best Synonyms for Significance?
The best synonym depends on what you want to express. Here are 25 useful alternatives to consider in your writing.
Common Synonyms for Everyday Writing
- Important: Having considerable value or influence.
Example: Education plays an important role in personal development. - Meaningful: Having personal, emotional, or symbolic value.
Example: Their conversation led to a meaningful change in their relationship. - Major: Large in scale or importance.
Example: The company announced a major change to its policies. - Notable: Worth noticing or mentioning.
Example: The author made several notable contributions to literature. - Considerable: Large enough to be noticed or matter.
Example: The project required considerable effort. - Substantial: Large in amount, size, or degree.
Example: The team made substantial progress this month. - Remarkable: Unusual or impressive enough to attract attention.
Example: She made remarkable progress in a short time. - Noticeable: Easy to see, recognize, or observe.
Example: There was a noticeable improvement in customer service. - Influential: Able to affect decisions, behavior, or outcomes.
Example: The influential report changed public opinion. - Consequential: Having important effects or results.
Example: The decision had consequential effects on the entire organization.
Formal and Academic Synonyms
These alternatives can make reports, essays, and professional documents more precise.
- Material: Important enough to affect a decision or outcome.
Example: The audit identified a material error in the financial report. - Salient: Most noticeable or relevant to the subject.
Example: The researcher highlighted the study’s salient findings. - Pivotal: Extremely important in determining what happens next.
Example: The experiment played a pivotal role in the research process. - Momentous: Of great importance, often because of lasting consequences.
Example: The agreement marked a momentous occasion in the country’s history. - Prominent: Important, well-known, or easily noticed.
Example: A prominent researcher presented the findings. - Weighty: Serious or important enough to deserve careful thought.
Example: The committee discussed several weighty issues. - Substantive: Relating to the main content or having real importance rather than being merely procedural.
Example: The meeting produced substantive changes to the proposal. - Appreciable: Large or clear enough to be recognized.
Example: The new process delivered an appreciable improvement in efficiency. - Evident: Clear or easy to recognize.
Example: The benefits of the new system became evident within weeks. - Significant in scope: An expression that emphasizes the size or reach of an effect.
Example: The program created changes significant in scope across several departments.
Stronger Synonyms for Significant
Use these words when you need to communicate urgency, necessity, or a powerful effect.
- Crucial: Extremely important to success or failure.
Example: Clear communication is crucial to completing the project. - Essential: Absolutely necessary.
Example: Accurate records are essential for a reliable analysis. - Critical: Extremely important, especially when a decision or outcome depends on it.
Example: The team reached a critical stage in development. - Vital: Necessary for something to function, succeed, or continue.
Example: Public trust is vital to the success of the initiative. - Paramount: More important than anything else in a particular situation.
Example: Customer safety remains paramount.
Remember that stronger words are not always better. If something is simply worth noticing, notable may be more accurate than crucial.
Significant Synonyms and Their Differences
Many synonyms overlap in meaning, but they are not always interchangeable. The following table explains when to use each word.
| Synonym | Best use | Example phrase |
| Important | General importance | An important decision |
| Substantial | Large amount or degree | A substantial increase |
| Considerable | Noticeable size or effort | Considerable progress |
| Notable | Worth mentioning | A notable achievement |
| Meaningful | Personal or symbolic value | A meaningful conversation |
| Crucial | Essential to an outcome | A crucial step |
| Pivotal | Changes the direction of events | A pivotal moment |
| Remarkable | Unusual or impressive | Remarkable results |
| Material | Affects a decision or judgment | A material difference |
| Consequential | Produces important effects | A consequential choice |
For example, a substantial improvement suggests a considerable amount of progress, while a crucial improvement suggests that the improvement is necessary for success. The words communicate different ideas, even though both can describe something significant.
How to Choose the Right Synonym for Significant
The easiest way to choose a suitable synonym is to identify what makes the subject significant.
For Professional and Business Writing
In workplace emails, business reports, and presentations, select words that communicate measurable results or practical importance.
- Use substantial for large improvements, investments, or reductions.
- Use material for changes that affect a financial statement or business decision.
- Use notable for achievements or developments worth mentioning.
- Use critical when a task or issue demands immediate attention or strongly affects an outcome.
Before: The team achieved significant growth in sales.
After: The team achieved substantial growth in sales.
The revised sentence emphasizes the size of the growth rather than simply stating its importance.
For Academic Writing
Academic writing benefits from precise language. Choose a synonym that accurately describes your evidence or argument.
- Use notable to highlight an observation or finding.
- Use salient to identify the most relevant feature.
- Use substantial to describe a considerable effect or amount.
- Use meaningful when the context supports an interpretation involving importance or practical value.
Before: The study found significant differences between the groups.
After: The study found notable differences between the groups.
Use notable only when the differences are genuinely worth attention. If the original sentence refers to a statistical test, retain the technical meaning of statistically significant rather than replacing it casually.
For Personal and Everyday Writing
In everyday conversations, choose words that sound natural and match your feelings.
- Use meaningful for relationships, memories, and personal experiences.
- Use important for general priorities.
- Use remarkable for impressive achievements.
- Use major for big changes or events.
Before: Her advice had a significant impact on my life.
After: Her advice had a meaningful impact on my life.
The second version emphasizes the personal value of the advice.
Examples of Significant and Its Synonyms in Sentences
Here are additional examples showing how different synonyms work in real situations.
- Education: Reading has a significant effect on children’s learning.
Alternative: Reading has a substantial effect on children’s learning. - Work: Meeting the deadline is significant to the project.
Alternative: Meeting the deadline is crucial to the project. - Relationships: Their wedding was a significant day for the family.
Alternative: Their wedding was a meaningful day for the family. - Research: The report identified significant findings.
Alternative: The report identified notable findings. - Business: The company experienced a significant drop in expenses.
Alternative: The company experienced a considerable drop in expenses. - History: The invention was a significant turning point.
Alternative: The invention was a pivotal turning point. - Public policy: The decision had significant consequences.
Alternative: The decision had consequential effects. - Personal achievement: He made significant progress in learning English.
Alternative: He made remarkable progress in learning English. - Planning: Budget management is significant for the project.
Alternative: Budget management is essential for the project. - Communication: The speaker made a significant observation.
Alternative: The speaker made a noteworthy observation.
Notice how each alternative changes the emphasis slightly. The best choice is the one that preserves your intended meaning.
What Is the Opposite of Significant?
The opposite of significance depends on the context. Common antonyms include:
- Insignificant: Too unimportant to deserve much attention.
- Minor: Small in scale or importance.
- Trivial: Of little importance.
- Negligible: So small that it can reasonably be ignored.
- Unimportant: Not having much value or influence.
- Inconsequential: Having little or no meaningful effect.
- Ordinary: Not unusual or especially noteworthy.
Examples:
- Significant change → Minor change
- Significant difference → Negligible difference
- Significant issue → Trivial issue
- Significant achievement → Ordinary achievement
These words have different shades of meaning. A minor issue may still matter, while a negligible difference is so small that it may not affect the overall result.
Frequently Asked Questions
What is the best synonym for significant?
Important is usually the best general synonym for significant. However, substantial works better for large amounts, meaningful for personal value, notable for something worth mentioning, and crucial for something essential to an outcome.
What is a more formal word for significant?
Formal alternatives include substantial, material, salient, consequential, pivotal, and momentous. Choose the word that fits your subject rather than using a formal term simply to sound sophisticated.
What is a stronger word than significant?
Words such as crucial, vital, paramount, and pivotal can express greater importance in suitable contexts. For example, a significant step may be helpful, while a crucial step may determine whether a project succeeds.
Is important the same as significant?
The words are closely related but not identical. Importance directly describes value or priority. Significant can also describe a noticeable amount, a meaningful difference, or an effect that deserves attention. The best choice depends on the sentence.
What is another word for statistically significant?
There is no universal replacement that preserves the precise technical meaning of statistically significant. Depending on the result, you might describe a finding as statistically supported or report the test result and p-value. Statistical significance does not automatically mean that an effect is large or practically important.
Final Thoughts
If you are asking what is a synonym for significant, important is the best starting point. Other useful alternatives include substantial, considerable, notable, meaningful, crucial, and pivotal.
Choose the word that expresses your exact meaning. Use substantial for size, meaningful for personal value, notable for something worth attention, and crucial when success depends on it. The right synonym makes your writing clearer, more natural, and more precise.
I am Johnny Lee is a passionate writer and language enthusiast dedicated to making English grammar simple, practical, and easy to understand. Through grameases.com, he helps learners improve their English skills with clear explanations.
