Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun accidental

1 sense of accidental

Sense 1
accidental -- (a musical notation that makes a note sharp or flat or natural although that is not part of the key signature)
       => musical notation -- ((music) notation used by musicians)

Antonyms of adj accidental

1 sense of accidental

Sense 1
accidental, inadvertent -- (happening by chance or unexpectedly or unintentionally ; "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning"; "an accidental shooting")

INDIRECT (VIA unintended) -> intended -- (resulting from one's intentions; "your intended trip abroad"; "an intended insult")

Similarity of adj accidental

1 sense of accidental

Sense 1
accidental, inadvertent -- (happening by chance or unexpectedly or unintentionally ; "with an inadvertent gesture she swept the vase off the table"; "accidental poisoning"; "an accidental shooting")
       => unintended (vs. intended) -- (not deliberate)