Synonyms for Auxiliary:
adj.
•accompanying (adjective)adjoining, attached, ornamental, affixed, secondary, in addition to, Adorning, companion, extra, along with, additional, supplemental, besides.
•additional (adjective)
supplemental.
•all (adjective)
supplemental, supplementary, subsidiary.
•assisting (adjective)
Aiding, helping, supporting, Assisting, serving, Cooperating, Sustaining, helpful.
•relational (adjective)
concomitant, blood, affiliated, germane, akin, analogous, adjunct, relevant, associated, connected, correlative, consanguine, ancillary, dependent, coincident, attendant, pertinent, kindred, supplemental, related.
•supplementary (adjective)
backup, subsidiary, reserve, secondary, ancillary, spare, adjuvant, extra, supporting, appurtenant, subordinate, supplementary, contributory, accessory.
•supporting (adjective)
supporting.
n.
administrative assistant, advance person, ally. emeritus, blue-collar, designate, collateral, contributory, acting, casual, creative, budding. automatic, broken, clean, automatically, standby, emergency, clockwork, increase, reserve, cordless, analog, clever, built. copula, the first person, coadjutor, the future, the active, aspect, the conditional, DO, conjugation, Coadjutant, auxiliary verb. •accompaniment (noun)appendix, ornament, garnish, secondary, companion, consort, attachment, adornment, extension, appendage, addendum, addition, brother, fixture, accompaniment, appurtenance.
•agent (noun)
factor, instrument, impresario, broker, actor, intermediary, liaison, middleman, agency, mediator, vehicle, ombudsman, operative, go-between, executor.
•assistant (noun)
chaperone, acolyte, attendant, servant, helper, agent, second, accomplice, underling, abettor, extra, menial, associate, hireling, flunky, attorney, functionary, deputy, aide-de-camp, aide, employee, assistant, Aider, backer, junior, accessory, laborer, patsy, ancillary, proxy, adjunct, helpmate, lieutenant, follower, stooge, minion, partner, benefactor, henchman, subordinate.
•auxiliary (noun)
aide, supplementary, adjunct, supportive, subsidiary, accessory, supplemental, appurtenant, adjuvant, ancillary, secondary.
•deputy (noun)
double, dummy, nominee, envoy, substitute, token, mouthpiece, understudy, delegate, ghost, surrogate, appointee, representative, backup, assignee, spokeswoman, arm, figurehead, stand in, emissary, alternate, spokesman.
•helper (noun)
assistant, ally, accomplice, companion, partner, associate.
•inferior (noun)
junior, menial.
•person (noun)
aide.
•servant (noun)
volunteer, aid, worker, hand, serf, subject, helping hand, chattel, pawn, vassal, help, peon.
•substitute (noun)
substitute.
•supplementary (noun)
reserve, spare.
Other synonyms:
contributory, creative, cordless, built, acting, designate, emeritus, Coadjutant, blue-collar, standby, the conditional, auxiliary verb, the active, copula, conjugation. automatically, the first person, coadjutor, analog, broken. casual, collateral. automatic, clever, aspect. reserve. DO. •Other relevant words:
built, reserve, creative, budding, acting, ally, Coadjutant, clockwork, casual, auxiliary verb, adjuvant, coadjutor, spare, automatically, contributory, increase, subsidiary, broken, emergency, designate, aspect, automatic, clever, blue-collar, appurtenant, copula, standby, DO, collateral, cordless, supplementary, emeritus, conjugation, analog, clean, supportive.