Key and Nonessential

Opposite meaning words

Key adjective - Coming before all others in importance.

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Nonessential is an antonym for key in essential topic.

Nearby Words: keyed, keyboard, keying

Nonessential adjective - Not needed by the circumstances or to accomplish an end.

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Key is an antonym for nonessential.

Cite this Source

Nonessential and Key. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/key/nonessential

Key & Nonessential. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/key/nonessential>.

Nonessential or Key. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/key/nonessential.

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