Synonyms & related words for auxiliary

Find synonyms, related words, and the definition of auxiliary — including ancillary, appurtenant, supplemental, aide, supplementary, adjunct. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to auxiliary

Explore words related to auxiliary — words associated with it, words that go with it, and its nearest matches in meaning. Related words include ancilla, suppletory, adminicle, succursal, volunteer, rotary, complemental, quartermaster. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for auxiliary

Common synonyms for auxiliary include ancillary, appurtenant, supplemental, aide, supplementary, adjunct, accessory, coadjutant — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does auxiliary come from?

The word auxiliary breaks down into one root of Latin origin: the root auxili-, from Latin auxilium (“help”). Explore each root to see other English words built from the same source.