Auxiliary, which comes from the Latin noun auxilium, meaning “aid,” “assistance,” or “reinforcement,” is used in a wide range of capacities in English to describe a person or thing …

AUXILIARY definition: additional; supplementary; reserve. See examples of auxiliary used in a sentence.

AUXILIARY definition: 1. giving help or support, especially to a more important person or thing: 2. a person whose job…. Learn more.

Dec 14, 2025 · Noun auxiliary (plural auxiliaries) A person or group that acts in an auxiliary manner.

Definition of auxiliary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

An auxiliary is a person who is employed to assist other people in their work. Auxiliaries are often medical workers or members of the armed forces. Nursing auxiliaries provide basic care, but …

an organization allied with, but subsidiary to, a main body of restricted membership, esp. one composed of members' relatives: The men's club and the ladies' auxiliary were merged into …

When you're offering something in support of an already existing thing, you're offering something auxiliary. The auxiliary police will help out the regular police with things like directing traffic and …

Auxiliary definition: Giving assistance or support; helping.

1. additional; supplementary; reserve: an auxiliary police force. 2. used as a substitute or reserve in case of need: an auxiliary power system. 3. subsidiary; secondary. 4. (of a boat) having an …