Essential and Nonessential

Essential

Essential adjective - Impossible to do without.
Usage example: a well-stocked public library is essential for the well-being of a community

Nonessential is an antonym for essential in topics: fundamental, necessity, important, basic.

Nearby Words: essence, essentially, essentiality

Nonessential

Nonessential adjective - Not needed by the circumstances or to accomplish an end.
Usage example: money's tight, so we'll have to skip nonessential purchases

Essential is an antonym for nonessential in not needed or important topic.

Both words in one sentence

  • Complexity Addiction He tells Harry that while essential plans should be simple and perfect (eg; apparate in front of your target and hit them with the Killing Curse), nonessential plans can be as complicated as you want, since by definition they're not important.
Cite this Source
Nonessential and Essential. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/essential/nonessential
Essential & Nonessential. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/essential/nonessential>.
Nonessential or Essential. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/essential/nonessential.
Google Ngram Viewer shows how "essential" and "nonessential" have occurred on timeline