Insignificant and Important

Insignificant

Insignificant adjective - Lacking importance.
Usage example: an insignificant detail that we can safely ignore

Important is an antonym for insignificant in topics: unimportant, significant, not important.

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

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

Cite this Source
Important and Insignificant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/insignificant/important
Insignificant & Important. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/insignificant/important>.
Important or Insignificant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/insignificant/important.
Google Ngram Viewer shows how "insignificant" and "important" have occurred on timeline