Insignificant and Key

Opposite meaning words

Insignificant adjective - Lacking importance.

Usage example: an insignificant detail that we can safely ignore

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Key is an antonym for insignificant.

Key adjective - Coming before all others in importance.

Usage example: maintains that Sir Isaac Newton remains the key figure in physical science

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Insignificant is an antonym for key in essential topic.

Nearby Words: keyed, keyboard, keying

Cite this Source

Key and Insignificant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/insignificant/key

Insignificant & Key. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/insignificant/key>.

Key or Insignificant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/insignificant/key.

Google Ngram Viewer shows how "insignificant" and "key" have occurred on timeline