accidental

adjective

1. happening by chance or unexpectedly or unintentionally

- accidental poisoning

- an accidental shooting

Similar word(s): unintended, inadvertent

2. not of prime or central importance

- the character's motives remain accidental to the plot

Similar word(s): inessential, unessential, incidental, nonessential

noun

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

Definition categories: communication