belligerent
bel.lig.er.ent \b*-lij-(*-)r*nt\ aj [modif. of L belligerant-, belligerans, prp. of belligerare t]o wage war, fr. belliger waging war, fr. bellum + gerere to wage - more at CAST 1: waging war; specif : belonging to or recognized as a military p ower protected by and subject to the laws of war 2: inclined to or exhibiting assertiveness or combativeness : BELLIGERENT implies being actually at war or in an actively hostile mood; BELLICOSE suggests a disposition to fight or to start a fight; PUGNACIOUS suggests a disposition that takes pleasure in personal combat; QUARRELSOME stresses an ill-natured readiness to fight without good cause; CONTENTIOUS implies perverse and irritating fondness for arguing and quarreling - belligerent n SYN syn BELLICOSE, PUGNACIOUS, QUARRELSOME, CONTENTIOUS
Webster's English Dictionary