go astray

English

go astray (third-person singular simple present goes astray, present participle going astray, simple past went astray, past participle gone astray)

(intransitive) To develop bad habits; to behave improperly or illegally.
Synonyms: break bad, go bad

If you keep hanging out with that gang you'll go astray.
(intransitive) To behave in an adulterous manner.
The woman thought her husband had gone astray.
- 1980 August 9, James W. Smith, “Personal advertisement”, in Gay Community News, page 15:
  I am a prisoner and all my so-called friends have gone astray on me. Could you please print this ad for me so I may hopefully reach society: I'm a lonely inmate who wishes to write someone and have a sincere relation.
(intransitive) To come to believe an untruth.
(intransitive, of an object) To become lost or mislaid.
(intransitive, chiefly in the negative) To be undesirable or unhelpful.
A pinch of salt in this dish wouldn't go astray.
Used other than figuratively or idiomatically: see go,‎ astray.

develop bad habits; behave improperly or illegally

to behave in an adulterous manner

come to believe an untruth

of objects: to become lost or mislaid

to be undesirable or unhelpful