Auxiliary

• POS: Adjective, Noun
• HYPHEN: aux=il=ia=ry

CIDE DICTIONARY

Auxiliary, a. [L. auxiliarius, fr. auxilium help, aid, fr. augere to increase.].

 Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops.  [1913 Webster]

Auxiliary scales (Mus.), the scales of relative or attendant keys. See under Attendant, a. -- Auxiliary verbs (Gram.). See Auxiliary, n., 3.

Auxiliary, n. 

•  A helper; an assistant; a confederate in some action or enterprise.  [1913 Webster]
•  Foreign troops in the service of a nation at war; (rarely in sing.), a member of the allied or subsidiary force.  [1913 Webster]
•  A verb which helps to form the voices, modes, and tenses of other verbs; -- called, also, an auxiliary verb; as, have, be, may, can, do, must, shall, and will, in English; être and avoir, in French; avere and essere, in Italian; estar and haber, in Spanish.  [1913 Webster]
•  A quantity introduced for the purpose of simplifying or facilitating some operation, as in equations or trigonometrical formulæ.  Math. Dict.  [1913 Webster]

OXFORD DICTIONARY

Auxiliary, adj. & n.
--adj.
1 (of a person or thing) that gives help.
2 (of services or equipment) subsidiary, additional.
--n. (pl. -ies)
1 an auxiliary person or thing.
2 (in pl.) Mil. auxiliary troops.
3 Gram. an auxiliary verb.

Idiom

auxiliary troops Mil. foreign or allied troops in a belligerent nation's service. auxiliary verb Gram. one used in forming tenses, moods, and voices of other verbs.

Etymology

L auxiliarius f. auxilium help

THESAURUS

Auxiliary

abetting, accessory, accident, accidental, acolyte, addendum, addition, additional, adjunct, adjutant, adjuvant, adscititious, adventitious, agent, aid, aide, aide-de-camp, aider, aiding, alter ego, ancillary, another, appendage, appurtenance, appurtenant, ascititious, assistance, assistant, assisting, attendant, auxiliary verb, backing, best man, casual, circumstantial, coadjutant, coadjutor, coadjutress, coadjutrix, collateral, complementary, contingency, contingent, contributory, copula, defective verb, deponent verb, deputy, executive officer, extra, farther, finite verb, fortuitous, fostering, fresh, further, girl Friday, happenstance, help, helper, helpful, helping, helpmate, helpmeet, impersonal verb, incidental, inessential, infinitive, instrumental, intransitive, intransitive verb, lieutenant, linking verb, man Friday, mere chance, ministerial, ministering, ministrant, modal auxiliary, more, neuter verb, new, nonessential, not-self, nurtural, nutricial, other, paranymph, paraprofessional, peripheral, plus, reserve, second, secondary, servant, serving, sideman, spare, subordinate, subservient, subsidiary, superadded, superaddition, superfluous, supernumerary, supervenient, supplement, supplemental, supplementary, support, supporter, supporting, supporting actor, supporting instrumentalist, supportive, surplus, transitive, tributary, ulterior, unessential, upholding, verb, verb phrase, verbal

ROGET THESAURUS

Auxiliary

Aid

N aid, aidance, assistance, help, opitulation, succor, support, lift, advance, furtherance, promotion, coadjuvancy, patronage, championship, countenance, favor, interest, advocacy, sustentation, subvention, alimentation, nutrition, nourishment, eutrophy, manna in the wilderness, food, means, ministry, ministration, subministration, accommodation, relief, rescue, help at a dead lift, supernatural aid, deus ex machina, supplies, reinforcements, reenforcements, succors, contingents, recruits, support, adjunct, ally, aiding, auxiliary, adjuvant, helpful, coadjuvant, subservient, ministrant, ancillary, accessory, subsidiary, at one's beck, at one's beck and call, friendly, amicable, favorable, propitious, well-disposed, neighborly, obliging, with the aid, by the aid of, on behalf of, in behalf of, in aid of, in the service of, in the name of, in favor of, in furtherance of, on account of, for the sake of, on the part of, non obstante, Int, help!, save us!, to the rescue!, alterum alterius auxilio eget, God befriend us as our cause is just, at your service.

Auxiliary

N auxiliary, recruit, assistant, adjuvant, adjutant, ayudante, coaid, adjunct, help, helper, help mate, helping hand, midwife, colleague, partner, mate, confrere, cooperator, coadjutor, coadjutrix, collaborator, ally, friend, confidant, fidus Achates, pal, buddy, alter ego, confederate, accomplice, complice, accessory, accessory after the fact, particeps criminis, socius criminis, aide-de-camp, secretary, clerk, associate, marshal, right-hand, right-hand man, Friday, girl Friday, man Friday, gopher, gofer, candle- holder, bottle-holder, handmaid, servant, puppet, cat's-paw, jackal, tool, dupe, stooge, ame damnee, satellite, adherent, votary, sectarian, secretary, seconder, backer, upholder, abettor, advocate, partisan, champion, patron, friend at court, mediator, angel (theater, entertainment), friend in need, Jack at a pinch, deus ex machina, guardian angel, tutelary genius.

Combatant

N combatant, disputant, controversialist, polemic, litigant, belligerent, competitor, rival, corrival, fighter, assailant, champion, Paladin, mosstrooper, swashbuckler fire eater, duelist, bully, bludgeon man, rough, prize fighter, pugilist, boxer, bruiser, the fancy, gladiator, athlete, wrestler, fighting-cock, game-cock, warrior, soldier, fighting man, Amazon, man at arms, armigerent, campaigner, veteran, swordsman, sabreur, redcoat, military man, Rajput, armed force, troops, soldiery, military forces, sabaoth, the army, standing army, regulars, the line, troops of the line, militia, yeomanry, volunteers, trainband, fencible, auxiliary, bersagliere, brave, garde-nationale, garde-royale, minuteman, auxiliary forces, reserve forces, reserves, posse comitatus, national guard, gendarme, beefeater, guards, guardsman, yeomen of the guard, life guards, household troops, janissary, myrmidon, Mama, Mameluke, spahee, spahi, Cossack, Croat, Pandoz, irregular, guerilla, partisan, condottiere, franctireur, tirailleur, bashi-bazouk, vietminh, vietcong, shining path, contras, huk, hukbalahap, mercenary, soldier of fortune, hired gun, gunfighter, gunslinger, bushwhacker, free lance, companion, Hessian, hit man torpedo, soldier, levy, draught, Landwehr, Landsturm, conscript, recruit, cadet, raw levies, infantry, infantryman, private, private soldier, foot soldier, Tommy Atkins, rank and file, peon, trooper, sepoy, legionnaire, legionary, cannon fodder, food for powder, officer, subaltern, ensign, standard bearer, spearman, pikeman, spear bearer, halberdier, lancer, musketeer, carabineer, rifleman, jager, sharpshooter, yager, skirmisher, grenadier, fusileer, archer, bowman, horse and foot, horse soldier, cavalry, horse, artillery, horse artillery, light horse, voltigeur, uhlan, mounted rifles, dragoon, hussar, light dragoon, heavy dragoon, heavy, cuirassier, Foot Guards, Horse Guards, gunner, cannoneer, bombardier, artilleryman, matross, sapper, sapper and miner, engineer, light infantry, rifles, chasseur, zouave, military train, coolie, army, corps d'armee, host, division, battalia, column, wing, detachment, garrison, flying column, brigade, regiment, corps, battalion, sotnia, squadron, company, platoon, battery, subdivision, section, squad, piquet, picket, guard, rank, file, legion, phalanx, cohort, cloud of skirmishers, war horse, charger, destrier, marine, man-of-war's man, navy, wooden walls, naval forces, fleet, flotilla, armada, squadron, man-of-war, destroyer, submarine, minesweeper, torpedo-boat, torpedo-destroyer, patrol torpedo boat, PT boat, torpedo- catcher, war castle, H, M, S, battleship, battle wagon, dreadnought, line of battle ship, ship of the line, aircraft carrier, carrier, flattop, helicopter carrier, missile platform, missile boat, ironclad, turret ship, ram, monitor, floating battery, first- rate, frigate, sloop of war, corvette, gunboat, bomb vessel, flagship, guard ship, cruiser, armored cruiser, protected cruiser, privateer, tender, store ship, troop ship, transport, catamaran, merchant marine.

Benefactor

N benefactor, savior, good genius, tutelary saint, guardian angel, good Samaritan, pater patriae, salt of the earth (good man), auxiliary.