"Fiddle around" is a phrasal verb that means to waste time, procrastinate, or do something unimportant or inefficiently. There are several synonyms for this term, including dawdle, idle, loiter, putter, tinker, and potter. These verbs convey a similar meaning of engaging in aimless activities or passing time in a casual manner without achieving any significant results. Other synonyms for "fiddle around" include dilly-dally, linger, dabble, fool around, and mess about. The use of these synonyms can help to bring variations in one's communication and make it more expressive. However, it's crucial to choose the most appropriate synonym based on the context to avoid confusion or misunderstanding.