Auxiliary and All-important

Opposite meaning words

Auxiliary adjective - Available to supply something extra when needed.

Usage example: the auditorium has an auxiliary cooling system used only on particularly sweltering days

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All-important is an antonym for auxiliary.

All-important adjective - Impossible to do without.

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Auxiliary is an antonym for all-important.

Cite this Source

All-important and Auxiliary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/auxiliary/all-important

Auxiliary & All-important. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/auxiliary/all-important>.

All-important or Auxiliary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/auxiliary/all-important.