Significant: Definition, Synonyms & Examples

The word “significant” is an adjective used to describe something that holds importance, relevance, or consequence. When something is deemed significant, it implies that it has a notable impact, influence, or meaning in a given context. It often refers to something that is substantial, meaningful, or worthy of attention due to its particular value or effect.

Meaning and definition of significant

  • Having meaning, importance, or consequence; notable in effect, size, or impact.
  • Carrying weight or importance; having a noticeable effect, value, or meaning.

Synonyms and Antonyms of significant


  • Meaningful
  • Important
  • Noteworthy
  • Substantial
  • Prominent
  • Momentous
  • Critical
  • Valuable
  • Essential


  • Insignificant
  • Minor
  • Trivial
  • Unimportant
  • Inconsequential
  • Negligible
  • Insignificant
  • Trifling
  • Irrelevant

Examples of ‘significant’ in sentences

  • His contribution to the project was significant; it significantly impacted the final results.
  • The discovery of a new species in the forest was a significant breakthrough for the scientific community.
  • The changes in the economy had a significant effect on the stock market.
  • She made a significant decision that altered the course of her career.
  • Despite facing significant challenges, they managed to achieve their goals.
  • Her promotion to manager was a significant milestone in her career.
  • The new research findings revealed a significant correlation between diet and lifespan.
  • The company’s decision to expand globally had a significant impact on its profits.
  • The archaeological discovery was significant, shedding light on ancient civilizations.
  • His absence at the meeting was significant, as his input was crucial to the discussion.
  • The decrease in pollution levels marked a significant improvement in the city’s environment.
  • The treaty signed between the nations was a significant step toward peace.
  • The significant increase in online sales boosted the company’s revenue.
  • Her artwork had a significant influence on modern art movements.
  • The team’s victory in the championship was a significant achievement.
  • The discovery of the ancient artifact was significant in understanding the region’s history.
  • She made a significant contribution to the field of medicine with her groundbreaking research.
  • His absence had a significant impact on the team’s performance during the crucial match.
  • The company’s decision to adopt sustainable practices marked a significant change in its operations.
  • The sudden drop in temperature was significant enough to cause concern among the farmers.

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