The children always play up when they are tired.
play up
idiomTo misbehave.
My computer started to play up during the presentation, so I had to restart it quickly.
Although the engine had been playing up for several miles, the driver hoped to reach the service station before it failed completely.
- 01
child's play
Something particularly easy or simple.
- 02
go play in the traffic
To go elsewhere and feel free to engage in risky behavior; to get lost.
- 03
grandstand play
A successful play or other manoeuvre during a sporting competition in which one or more players shows off unnecessarily in order to entertain or impress the spectators.
- 04
hold-up play
A play where an attacker retains possession of the ball, while the teammates can move up the field.
- 05
play a part
To be involved in such a way to affect the outcome, to be a contributing factor.
- 06
play a role
To have an effect or influence on a situation or outcome; to contribute to something.
- 07
play all one's cards
To use all one's resources.
- 08
play along
To take part in a charade, deception, or practical joke.
Last updated April 17, 2026