Meaning of ACCIDENTAL in English

ACCIDENTAL

/ ˌæksɪˈdentl; NAmE / adjective

happening by chance; not planned :

a verdict of accidental death

I didn't think our meeting was accidental—he must have known I would be there.

►  ac·ci·den·tal·ly / -təli; NAmE / adverb :

As I turned around, I accidentally hit him in the face.

The damage couldn't have been caused accidentally.

••

WORD ORIGIN

late Middle English : from late Latin accidentalis , from Latin accident- happening from the verb accidere , from ad- towards, to + cadere to fall.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.