Less convincing, as an excuse (5)
I believe the answer is:
lamer
(Other definitions for lamer that I've seen before include "Weaker, excuse perhaps" , "Less able to walk" , "Comparatively weak" , "More feeble" , "Less convincing" .)
I believe the answer is:
lamer
(Other definitions for lamer that I've seen before include "Weaker, excuse perhaps" , "Less able to walk" , "Comparatively weak" , "More feeble" , "Less convincing" .)