See truculent in Webster's New World Roget's A-Z Thesaurus II
adjective
Having or showing an eagerness to fight:
bellicose, belligerent, combative, contentious, hostile, militant, pugnacious, quarrelsome, scrappy, warlike. See attackSo sharp as to cause mental pain:
acerbic, acid, acidic, acrid, astringent, biting, caustic, corrosive, cutting, mordacious, mordant, pungent, scathing, sharp, slashing, stinging, trenchant, vitriolic. See attack, respectShowing or suggesting a disposition to be violently destructive without scruple or restraint:
barbarous, bestial, cruel, fell2, feral, ferocious, fierce, inhuman, savage, vicious, wolfish. See kind
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