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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