Synonyms and Antonyms of auxiliary
available to supply something extra when needed <the auditorium has an auxiliary cooling system used only on particularly sweltering days> Synonyms accessorial, accessory, appurtenant, peripheral, supplemental, supplementary Related Words backup, makeshift, substitute; added, additional, another, further; complementary, contributory; adjuvant, assistant, assisting, helping, supportive, tributary; secondary, subordinate, subservient, subsidiary; dispensable, excess, nonessential, superfluous, surplus, unessential Near Antonyms basic, fundamental, primary, prime; all-important, essential, imperative, indispensable, integral, necessary, needed, needful, required, requisite, vital Antonyms chief, main, principal
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