Synonyms of accidental in English:

accidental


See definition of accidental

adjective

1‘accidental damage’

SYNONYMS

fortuitous, chance, occurring by accident, occurring by chance, adventitious, fluky, coincidental, casual, serendipitous, random, aleatory

unexpected, unforeseen, unanticipated, unlooked-for

unintentional, unintended, inadvertent, involuntary, unplanned, unpremeditated, unthinking, unmeant

unwitting, unknowing, unconscious, subconscious

mistaken, misguided

ANTONYMS

intentional, planned

2‘the location is accidental and contributes nothing to the poem’

SYNONYMS

incidental, unimportant, by the way, by the by, supplementary, subsidiary, subordinate, secondary, marginal, minor, lesser, accessory, peripheral, tangential, extraneous, extrinsic, parenthetical, irrelevant, immaterial, beside the point, of little account, unnecessary, non-essential, inessential

ANTONYMS

essential, central