Meanings
How to pronounce "play up":
AU
To misbehave.
Example: "Children who do not receive enough attention may begin to play up."
Example: "The radar system is playing up again."
To make or attempt to make something appear more important, likely, or obvious; to showcase or highlight.
Example: "For the audition, Nicole will play up her skill as a pianist by playing Jesu, Joy of Man's Desiring by Bach.Jesu, Joy of Man's Desiring"
To play more vigorously.
To be unfaithful to a lover; to cheat; used with on.
Example Sentences
1
My computer started to play up and froze right in the middle of an important presentation.
2
The children always play up when they are tired.