Important
Important adjective - Having great meaning or lasting effect.
Usage example: the discovery of penicillin was a very important event in the history of medicine
Significant is a synonym for important in valuable topic. In some cases you can use "Significant" instead an adjective "Important", when it comes to topics like position, main, meaningful, hefty. popular alternative
Significant
Significant adjective - Having great meaning or lasting effect.
Usage example: made a significant change in the procedure for applying for citizenship
Important is a synonym for significant in notable topic. You can use "Important" instead an adjective "Significant", if it concerns topics such as position, hefty, influential, telling. popular alternative
Mutual synonyms
Related pairs
- notable and important
- notable and significant
- material and important
- material and significant
- considerable and important
- considerable and significant
- substantial and important
- substantial and significant
- critical and important
- critical and significant
- powerful and important
- powerful and significant
- big and important
- big and significant
Both words in one sentence
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Usually, the very thing the child/friend/underling was trying to say turns out to be significant or important, and the hero will regret having brushed it off.
Source: Not Now, Kiddo aka: Not Now Kid - A character starts out significant and important on their own, playing a valuable role in the plot.
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Epic Tracking Shot: Every-time Gentaro transforms into Fourze when something important or significant happens, he will do his Catch Phrase and the camera moves to him up to outer space.
Source: Series / Kamen Rider Fourze
Cite this Source
Significant and Important. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/important/significant
Important & Significant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/important/significant>.
Significant or Important. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/important/significant.
Google Ngram Viewer shows how "important" and "significant" have occurred on timeline