21 down
Captain
Ahab
for
one
losing
weight
gets
fitter
(5)
Captain Ahab for one losing weight gets fitter (5)
hints
0
checks
0
hints
The definition is at the end of the clue.
How the clue works
The definition is fitter, meaning healthier, which is what HALER means. Captain Ahab was a WHALER, so "Captain Ahab for one" gives WHALER. Losing the W (the abbreviation for weight) leaves HALER.