Synonyms for accidental

Noun

1. accidental, musical notation

usage: a musical notation that makes a note sharp or flat or natural although that is not part of the key signature

Adjective

1. accidental, adventitious, extrinsic (vs. intrinsic)

usage: associated by chance and not an integral part; "poetry is something to which words are the accidental, not by any means the essential form"- Frederick W. Robertson; "they had to decide whether his misconduct was adventitious or the result of a flaw in his character"

2. accidental, casual, chance(prenominal), unplanned (vs. planned)

usage: occurring or appearing or singled out by chance; "their accidental meeting led to a renewal of their friendship"; "seek help from casual passers-by"; "a casual meeting"; "a chance occurrence"

3. accidental, inadvertent, unintended (vs. intended)

usage: without intention (especially resulting from heedless action); "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning"; "an accidental shooting"