All-important and Unnecessary

All-important

All-important adjective - Impossible to do without.
Usage example: that all-important item for a successful birthday party: a fancily decorated cake with candles

Unnecessary is an antonym for all-important in topics: essential, urgently important.

Unnecessary

Unnecessary adjective - Not needed by the circumstances or to accomplish an end.
Usage example: that large suitcase is unnecessary—we are only going to be away for a couple of days

All-important is an antonym for unnecessary.

Nearby Word: unnecessarily
Cite this Source
Unnecessary and All-important. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/all-important/unnecessary
All-important & Unnecessary. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/all-important/unnecessary>.
Unnecessary or All-important. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/all-important/unnecessary.