Auxiliary and Principal

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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Principal is an antonym for auxiliary in supporting topic.

Principal adjective - Coming before all others in importance.

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Auxiliary is an antonym for principal in topics: main, most important.

Nearby Words: principle, principally, principality, principe

female	female auxiliary	female principal
former	former auxiliary	former principal

Cite this Source

Principal and Auxiliary. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/auxiliary/principal

Auxiliary & Principal. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/auxiliary/principal>.

Principal or Auxiliary. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/auxiliary/principal.

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