a partial excuse to mitigate censure; an attempt to represent an offense as less serious than it appears by showing mitigating circumstances
to act in such a way as to cause an offense to seem less serious
- The lawyer pleaded his client's youth in extenuation of the crime.
- We will be guilty of criminal negligence, without extenuation, if we permit future famines.
Some excuse, some theory in extenuation of his behaviour, is..urgently needed.出自： P. G. Wodehouse