Synonyms: smatter, play around, dabble
Definition: work with in an amateurish manner
Usage: She dabbles in astronomy; He plays around with investments but he never makes any money
Definition: keep busy with
Usage: She busies herself with her butterfly collection
Synonyms: fool around, play around
Definition: commit adultery
Usage: he plays around a lot
Similar words: betray, cheat, cheat on, wander, cuckold
Definition: be sexually unfaithful to one's partner in marriage
Usage: She cheats on her husband; Might her husband be wandering?