arbitrary

Main Entry:
arbitrary [ahr-bi-trer-ee]
Part of Speech: adjective
Definition: whimsical, chance
Synonyms: approximate, capricious, discretionary, erratic, fanciful, frivolous, inconsistent, injudicious, irrational, irresponsible, offhand, optional, random, subjective, supercilious, superficial, unaccountable, unreasonable, unscientific, wayward, willful
Antonyms: circumspect, rational, reasonable, reasoned, supported
Main Entry: absolute
Part of Speech: adjective
Definition: in control or complete authority
Synonyms: absolutist, arbitrary, authoritarian, autocratic, autonomous, despotic, dictatorial, full, monocratic, preeminent, sovereign, supreme, totalitarian, tyrannical, tyrannous
Antonyms: accountable, complaisant, compliant, restricted, submissive, yielding
Main Entry: autocratic
Part of Speech: adjective
Definition: holding power exclusively
Synonyms: absolute, all-powerful, arbitrary, bossy, czarlike, despotic, dictatorial, domineering, driving, imperious, monocratic, pushing, tyrannical, tyrannous
Antonyms: democratic
Main Entry: capricious
Part of Speech: adjective
Definition: given to sudden behavior change
Synonyms: any way the wind blows, arbitrary, blowing hot and cold, careless, changeful, contrary, crotchety, effervescent, erratic, every which way, fanciful, fickle, fitful, flaky*, flighty, freakish, gaga, helter-skelter, humorsome, impulsive, inconstant, kinky*, lubricious, mercurial, moody, mutable, notional, odd, picky*, punchy, queer, quirky, temperamental, ticklish, unpredictable, unreasonable, unstable, up and down, vagarious, variable, volatile, wayward, whimsical, yo-yo
Antonyms: constant, dependable, sensible, staid, steadfast, steady
Main Entry: dictatorial
Part of Speech: adjective
Definition: tyrannical, authoritarian
Synonyms: absolute, arbitrary, arrogant, autocratic, bossy, clamorous, crack-the-whip, despotic, dictative, doctrinaire, dogmatic, domineering, egotistic, firm, haughty, imperative, imperious, iron-handed, oppressive, overbearing, peremptory, pompous, proud, stern, throwing weight around, totalitarian, unlimited, unrestricted
Antonyms: democratic, docile, passive
Main Entry: dogmatic
Part of Speech: adjective
Definition: dictatorial, opinionated
Synonyms: arbitrary, arrogant, assertive, bigoted, bullheaded, categorical, cocksure, confident, definite, despotic, determined, dictative, doctrinaire, domineering, downright, egotistical, emphatic, fanatical, fascistic, formal, high and mighty, imperious, intolerant, magisterial, narrow-minded, obdurate, obstinate, one-sided, overbearing, peremptory, pigheaded, prejudiced, stiff-necked, stubborn, tenacious, tyrannical, unequivocal, wrong-headed
Antonyms: amenable, doubting, flexible, indecisive, manageable, obedient, questioning, skeptical, submissive
Main Entry: erratic
Part of Speech: adjective
Definition: unpredictable; wandering
Synonyms: aberrant, abnormal, anomalous, arbitrary, bizarre, capricious, changeable, desultory, devious, dicey, directionless, dubious, eccentric, fitful, flaky*, fluctuant, idiosyncratic, iffy, incalculable, inconsistent, inconstant, irregular, meandering, mercurial, nomadic, oddball, peculiar, planetary, rambling, roving, shifting, spasmodic, strange, stray, uncertain, undirected, unnatural, unreliable, unstable, unusual, vagarious, variable, volatile, wayward, weird, whimsical
Antonyms: certain, consistent, definite, dependable, predictable, regular, reliable, steady, sure, unchanging
Main Entry: fickle
Part of Speech: adjective
Definition: vacillating, blowing hot and cold
Synonyms: arbitrary, capricious, changeable, cheating, coquettish, double-crossing, faithless, fitful, flighty, frivolous, inconstant, irresolute, lubricious, mercurial, mutable, quicksilver, sneaking, temperamental, ticklish, two-timing, unfaithful, unpredictable, unstable, unsteady, untrue, variable, volatile, whimsical, yo-yo
Antonyms: aware, cognizant, constant, faithful, reliable, stable, steady
Main Entry: fortuitous
Part of Speech: adjective
Definition: lucky, accidental
Synonyms: arbitrary, casual, chance, contingent, fluke, fluky, fortunate, haphazard, happy, incidental, luck in, luck out, lucky-dog, odd, providential, random, serendipitous, unforeseen, unplanned
Notes: accidental stresses chance; fortuitous so strongly suggests chance that it often connotes absence of cause
aleatory refers to the present or future while fortuitous is more about past events
fortunate means having unexpected good fortune or luck; fortuitous means happening by chance or coming or occurring by accident or without any known cause
Antonyms: calculated, deliberate, designed, intentional, planned, unlucky
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