27 across
Crew
strive
to
get
leader
replaced
(5)
Crew strive to get leader replaced (5)
hints
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checks
0
hints
The definition is at the beginning of the clue.
How the clue works
Crew is your definition here — a rowing crew is an eight. For the wordplay, take FIGHT (that's "strive"), then swap its leading letter for E to land on EIGHT.