Pronunciation: (ik-sten'yOO-āt"),[key] —v.t.,-at•ed, -at•ing. 1. to represent (a fault, offense, etc.) as less serious: to extenuate a crime. 2. to serve to make (a fault, offense, etc.) seem less serious.
3. to underestimate, underrate, or make light of: Do not extenuate the difficulties we are in. 4. Archaic. a. to make thin, lean, or emaciated.
b. to reduce the consistency or density of.