verb (used with object), ex·ten·u·at·ed, ex·ten·u·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.
Origin: 1375–1425;late Middle English (adj.) < Latinextenuātus, past participle of extenuāre, equivalent to ex-ex-1 + tenuāre to make thin or small; see -ate1
1520s, from L. extenuat-, pp. stem of extenuare "lessen," from ex- "out" + tenuare "make thin," from tenuis "thin" (see tenet). Related: Extenuated; extenuating; extenuation.