Important and Unimportant

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 is an antonym for important in topics: significant, valuable, eminent.

Unimportant

Unimportant adjective - Lacking importance.
Usage example: we figured that the details were unimportant as long as we got the basic design correct

Important is an antonym for unimportant in value topic.

Nearby Words: unimportance, unimportantly

Both words in one sentence

  • Comic Book / The Terror of Trigon 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.
  • Super Senses 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
  • Splash of Color Typically, unimportant objects were desaturated, while important ones were supersaturated.
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