arbitrary
[adjective]
Synonyms: random, capricious, chance, erratic, inconsistent, personal, subjective, whimsical

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Antonyms: legitimate
Contrasted words: circumspect, discreet, heedful, judicious, politic, reflective, calculating, discriminative, judicial, prudent, well-advised, lawful, legal, licit, rightful
Related Words: undisciplined, unruly, wild, willful, arrogant, unconstrained, unreasonable, careless, heedless, impetuous, indiscreet, precipitate, rash, kooky, screwball, zany, authoritarian, dictatorial, magisterial, oracular

[TahlilGaran] English Synonym Dictionary ▲

ar‧bi‧tra‧ry AC /ˈɑːbətrəri, ˈɑːbɪtrəri, -tri $ ˈɑːrbətreri/ adjective
[Word Family: noun: arbitrariness; adverb: arbitrarily; adjective: arbitrary]
[Date: 1400-1500; Language: Latin; Origin: arbitrarius 'depending on the decision of a judge, uncertain', from arbiter; ⇒ arbiter]
decided or arranged without any reason or plan, often unfairly:
an arbitrary decision
the arbitrary arrests of political opponents
—arbitrariness noun [uncountable]
—arbitrarily /ˈɑːbətrərəli, ˈɑːbɪtrərəli $ ˌɑːrbəˈtrerəli/ adverb:
an arbitrarily chosen number

[TahlilGaran] Dictionary of Contemporary English ▲

arbitrary
adj.
VERBS be, seem
ADV. completely, entirely, purely, quite, wholly | fairly, rather, somewhat, to some extent The decision is to some extent arbitrary.
essentially | apparently

[TahlilGaran] Collocations Dictionary ▲