Akademik

act up
verb
1. misbehave badly; act in a silly or improper way
-

The children acted up when they were not bored

• Syn: ↑carry on
• Hypernyms: ↑misbehave, ↑misconduct, ↑misdemean
• Verb Frames:
-

Somebody ——s

2. make itself felt as a recurring pain
-

My arthritis is acting up again

• Hypernyms: ↑ache, ↑smart, ↑hurt
• Verb Frames:
-

Something ——s

-

Somebody's (body part) ——s


Useful english dictionary. 2012.