Trenchant
Pronunciation : Trench"ant
Part of Speech : a.
Etymology : [OF. trenchant, F. tranchant, p. pr. See Trench, v. t.]
Definition : 1. Fitted to trench or cut; gutting; sharp. " Trenchant was the blade." Chaucer.
2. Fig.: Keen; biting; severe; as, trenchant wit.
Source : Webster's Unabridged Dictionary, 1913