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
Unimportant
Unimportant adjective - Lacking importance.
Usage example: we figured that the details were unimportant as long as we got the basic design correct
Nearby Words: unimportance, unimportantly
Both words in one sentence
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Continuity Nod: Crisis on Infinite Earths, published a short time later, included all the important, semi-important and unimportant characters of DC comics, but Raven was conspicuously absent.
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There's also related hazards like perceiving totally ordinary sensations as unpleasantly intense (and perhaps intensely unpleasant), or being unable to concentrate on the important stuff when you're receiving both important and unimportant sensory input.
Source: Super Senses -
Typically, unimportant objects were desaturated, while important ones were supersaturated.
Source: Splash of Color
Cite this Source
Unimportant and Important. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/important/unimportant
Important & Unimportant. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/important/unimportant>.
Unimportant or Important. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/important/unimportant.
Google Ngram Viewer shows how "important" and "unimportant" have occurred on timeline