Necessary and Needless

Necessary

Necessary adjective - Impossible to do without.
Usage example: food and water are necessary for survival

Needless is an antonym for necessary in topics: essential, inevitable.

Nearby Words: necessity, necessarily

Needless

Needless adjective - Not needed by the circumstances or to accomplish an end.
Usage example: needless expenditures that pushed the construction project way over budget

Necessary is an antonym for needless in unnecessary topic.

Nearby Words: need, needlessly
Cite this Source
Needless and Necessary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/necessary/needless
Necessary & Needless. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/necessary/needless>.
Needless or Necessary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/necessary/needless.
Google Ngram Viewer shows how "necessary" and "needless" have occurred on timeline