Emulate (5)
'emulate' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for rival that I've seen before include "Challenger, competitor" , "Someone you hope to defeat" , "Emulate" , "Be equal to in quality" , "Competing opponent" .)
'emulate' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for copy that I've seen before include "Mimic" , "Imitation or reproduction" , "Material to be printed" , "Facsimile" , "Replica; text for printing" .)
'emulate' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for ape that I've seen before include "Imitate, clumsy person (colloq.)" , "Simulate" , "Imitate like primate" , "Parrot" , "Send up" .)