Synonyms of fool around

Verb

1. horse around, arse around, fool around, fool, play, joke, jest

usage: indulge in horseplay; "Enough horsing around--let's get back to work!"; "The bored children were fooling about"

2. play around, fool around, cheat on, cheat, cuckold, betray, wander

usage: commit adultery; "he plays around a lot"