Princeton's WordNet

1. replay, rematch(noun)

   something (especially a game) that is played again

   Synonyms:
   action replay, replay, instant replay, rematch

2. replay, instant replay, action replay(verb)

   the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape

   Synonyms:
   action replay, replay, instant replay, rematch

3. play back, replay(verb)

   reproduce (a recording) on a recorder

   Synonyms:
   replay, play back

4. replay(verb)

   play (a melody) again

   Synonyms:
   play back

5. replay(verb)

   repeat a game against the same opponent

   Synonyms:
   play back

6. replay(verb)

   play again

   Synonyms:
   play back