3 definitions found

From WordNet (r) 2.0 [wn]:

arbitrary

adjective: based on or subject to individual discretion or preference or sometimes impulse or caprice; "an arbitrary decision"; "the arbitrary rule of a dictator"; "an arbitrary penalty"; "of arbitrary size and shape"; "an arbitrary choice"; "arbitrary division of the group into halves" [ant: {nonarbitrary}]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Arbitrary \Ar"bi*tra*ry\, adjective [L. arbitrarius, fr. arbiter: cf. F. arbitraire. See {Arbiter}.]

1. Depending on will or discretion; not governed by any fixed rules; as, an arbitrary decision; an arbitrary punishment.

It was wholly arbitrary in them to do so. --Jer. Taylor.

Rank pretends to fix the value of every one, and is the most arbitrary of all things. --Landor.

2. Exercised according to one's own will or caprice, and therefore conveying a notion of a tendency to abuse the possession of power.

Arbitrary power is most easily established on the ruins of liberty abused licentiousness. --Washington.

3. Despotic; absolute in power; bound by no law; harsh and unforbearing; tyrannical; as, an arbitrary prince or government. --Dryden.

{Arbitrary constant}, {Arbitrary function} (Math.), a quantity of function that is introduced into the solution of a problem, and to which any value or form may at will be given, so that the solution may be made to meet special requirements.

{Arbitrary quantity} (Math.), one to which any value can be assigned at pleasure.

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

133 Moby Thesaurus words for "arbitrary": absolute, absolutist, absolutistic, aristocratic, arrogant, autarchic, authoritarian, authoritative, autocratic, autonomous, bossy, capricious, careless, chance, chancy, cranky, crotchety, despotic, dictatorial, discretional, discretionary, dogmatic, domineering, doubtful, elective, erratic, fanciful, fantasied, fantastic, feudal, flaky, freakish, free, free will, gratuitous, grinding, harebrained, heedless, high-handed, humorsome, iffy, imperative, imperial, imperious, impetuous, inadvertent, inconsiderate, inconsistent, independent, indiscreet, irrational, kinky, kooky, lordly, maggoty, magisterial, magistral, masterful, monocratic, moody, motiveless, nonmandatory, notional, offered, oppressive, optional, oracular, overbearing, overruling, peremptory, petulant, precipitate, proffered, quirky, random, rash, reasonless, repressive, screwball, self-acting, self-active, self-determined, self-determining, severe, spontaneous, strict, subjective, summary, suppressive, temperamental, thoughtless, tyrannical, tyrannous, unasked, unbesought, unbidden, uncalculating, uncalled-for, uncertain, uncoerced, uncompelled, uncompromising, unconstrained, undisciplined, unforced, unguarded, uninfluenced, uninvited, unpredictable, unpressured, unprompted, unreasonable, unreasoning, unreflecting, unrequested, unrequired, unrestrained, unruly, unsolicited, unsought, unthinking, unthoughtful, vagarious, vagrant, varying, voluntary, volunteer, wanton, wayward, whimsical, wild, willful, zany

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