bellicose
AdjectiveWordNet 3.0
Webster's Dictionary (GCIDE)
Bellicose \Bel"li*cose`\, a. [L. bellicosus, fr. bellicus of war, fr. bellum war. See Duel.] Inclined to war or contention; warlike; pugnacious. [1913 Webster]
Arnold was, in fact, in a bellicose vein. --W. Irving. [1913 Webster]