1. (a.) Keen; biting; severe; cutting; as, trenchant wit\.

2. (v. t.) Fitted to trench or cut; gutting; sharp.

acerb acerbate acerbic acid acidic acidulent acidulous acrid acrimonious active acute aggressive animated apperceptive appercipient argute asperous astringent astute biting bitter brisk caustic clear-cut cogent corroding corrosive crisp cutting discerning double-edged driving dynamic edged effective energetic enterprising enthusiastic escharotic farseeing farsighted fierce forceful forcible foreseeing foresighted forethoughted forethoughtful full of pep go-go gutsy harsh hearty imperative impetuous impressive incisive ingoing intense irritating keen kinetic lively living longheaded longsighted lusty mettlesome mordacious mordant nervous nose-tickling penetrating peppy perceptive percipient perspicacious perspicuous piercing piquant poignant pointed powerful probing provident punchy pungent rigorous robust rough sagacious salty sarcastic sardonic satiric scalding scathing scorching sensational severe sharp sinewed sinewy slashing smacking snappy sour spanking spirited stabbing stinging strenuous strident striking stringent strong take-charge take-over tart telling understanding vehement vibrant vigorous violent virulent vital vitriolic vivacious vivid withering zestful zesty zippy