Synonyms and Antonyms of accidental
1 happening by chance <finding the gold was all the more remarkable because its discovery was entirely accidental> Synonyms casual, chance, fluky (also flukey), fortuitous, inadvertent, incidental, unintended, unintentional, unplanned, unpremeditated, unwitting Related Words coincidental; freak, odd; aimless, arbitrary, desultory, haphazard, random; uncertain, unexpected, unforeseeable, unforeseen; coerced, forced, involuntary; unconscious, unprompted Near Antonyms certain, destined, expected, fixed, foreordained, foreseeable, foreseen, inevitable, predestined, predetermined, predictable, preordained, prescribed, sure; conscious, freewill, knowing, unforced, voluntary, volunteer, willful (or wilful) Antonyms calculated, deliberate, intended, intentional, planned, premeditated, premeditative, prepense, set
2 not being a vital part of or belonging to something <we're considering the painting's merit as a work of art, its commercial value being entirely accidental as far as we're concerned> Synonyms extrinsic, adventitious, alien, extraneous, external, foreign, supervenientRelated Words exterior, outside; immaterial, inapplicable, insignificant, irrelevant; nonessential, unessential, unnecessaryNear Antonyms congenital, deep-seated, inborn, inbred; inside, interior, internal; basic, essential, necessaryAntonyms inherent, innate, intrinsic
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