[1] : The Collaborative International Dictionary of English v.0.48

trenchant \trench"ant\, a. of. trenchant, f. tranchant, p. pr.
   see trench, v. t.
   1. fitted to trench or cut; gutting; sharp. " trenchant was
      the blade." --chaucer.
      1913 webster

   2. fig.: keen; biting; severe; as, trenchant wit.
      1913 webster
see also:
trench 

[2] : WordNet (r) 2.0

trenchant
     adj 1: having keenness and forcefulness and penetration in thought,
            expression, or intellect; "searching insights";
            "trenchant criticism" syn: searching
     2: characterized by or full of force and vigor; "a hard-hitting
        expose"; "a trenchant argument" syn: hard-hitting
     3: clearly or sharply defined to the mind; "clear-cut evidence
        of tampering"; "claudius was the first to invade britain
        with distinct...intentions of conquest"; "trenchant
        distinctions between right and wrong" syn: clear-cut, distinct
see also:
searching hard-hitting clear-cut distinct 

[3] : Moby Thesaurus II by Grady Ward, 1.0

134 moby thesaurus words for "trenchant":
   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

Trenchant >> T Words
Trenchant, definition of term: Trenchant
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