18 across
Most
generous
and
good
of
Poirot
to
make
a
comeback
in
case
(7)
Most generous and good of Poirot to make a comeback in case (7)
hints
0
checks
0
hints
The definition is at the beginning of the clue.
How the clue works
"Most generous" is your definition, pointing to NOBLEST. Poirot's a Frenchman, so "good" from his mouth is BON, and "make a comeback" tells you to flip it round to get NOB — stick LEST ("in case") on the end and you're there.