Definition, Meaning & Synonyms

act-up

phrasal verb
/ækt ʌp/
Definition
to behave badly or in a disruptive manner.
Examples
  • The children tend to act up when they’re tired.
  • During the meeting, a few participants started to act up, distracting everyone.
  • If you don’t pay attention to your dog, he might act up and misbehave.
Meaning
Act-up refers to a situation where someone is not following rules or behaving as expected, causing disturbance or inconvenience.
Synonyms
  • misbehave
  • act out
  • cause trouble