1 [usually singular]
an event that is very like something that happened before
The match was basically a repeat of last year's game at Wembley.
It was a terrible journey - I hope we don't have a repeat performance (=have the same thing happen again) on the way home.
a television or radio programme that has been broadcast before:
'Is it a repeat?' 'No, it's a new series.'
3BBT British English
an order of goods or a prescription of medicine that is the same as one you had before
the sign that tells a performer to play a piece of music again, or the music that is played again