act up (Meaning)

Wordnet

act up (v)

misbehave badly; act in a silly or improper way

make itself felt as a recurring pain

My computer tends to act up when running multiple applications simultaneously, causing it to slow down.
The old car occasionally acts up, making strange noises that worry the driver.
Children sometimes act up when they are tired or feeling unwell, exhibiting unruly behavior.
The printer started to act up, producing distorted prints that required troubleshooting.
Whenever the weather changes, my knee tends to act up, reminding me of an old injury.
The employee was reprimanded for constantly acting up during team meetings, disrupting the flow of discussion.
Teenagers may act up as a way to express frustration or seek attention from their parents.
The software began to act up after the recent update, causing glitches and crashes.
The washing machine tends to act up if overloaded, leading to operational issues.
The car's engine started to act up on the highway, prompting an unplanned stop for repairs.

misbehave badly; act in a silly or improper way, make itself felt as a recurring pain

act out, raise hell, rebel, carry on, disobey, misconduct, run riot,raise Cain, cut up, misbehave

quit,act, bear, conduct, comply, bear, conduct, comply, obey, obey

My computer tends to act up when running multiple applications simultaneously, causing it to slow down.

The old car occasionally acts up, making strange noises that worry the driver.

Children sometimes act up when they are tired or feeling unwell, exhibiting unruly behavior.

The printer started to act up, producing distorted prints that required troubleshooting.