trenchant

Forceful and clear; penetrating.

Caustic; cutting.

Distinct; clear-cut.

Cutting; sharp; keen.

Penetrating; energetic; downright.

Specifically, in zoology, sectorial, as a molar or premolar; sharp-edged: as, the trenchant canines of a saber-toothed tiger.

Fitted to trench or cut; gutting; sharp.

Fig.: Keen; biting; severe.

Fitted to trench or cut; gutting; sharp.

Keen; biting; vigorously effective and articulate; severe; as, trenchant wit.