What is another word for acts up on?
Pronunciation: [ˈakts ˌʌp ˈɒn] (IPA) 
Acts up on is a phrasal verb that typically means misbehaving or acting out of line. Some synonyms for this phrase include acting out, misbehaving, causing trouble, or being difficult. Other synonyms could include rebelling, protesting, resisting, going against the norm, or exhibiting disruptive behavior. Depending on the context, other options could be acting erratically, challenging authority, or refusing to follow instructions. Regardless of which synonym is used, acts up on typically implies some level of non-compliance or disruption, and it is often used to describe behavior that is unexpected or unwanted.
