contentious

aggressive, agonistic, argumentative, assaultive, bellicose, brawly, chippy, combative, confrontational, contentious, discordant, disputatious, feisty, gladiatorial, militant, pugnacious, quarrelsome, scrappy, truculent, warlike

antagonistic, fierce, hostile, hot-tempered; acidic, bearish, bilious, bristly, choleric, crabby, cranky, cross, disagreeable, dyspeptic, fractious, fretful, grouchy, grumpy, huffy, ill-humored, ill-natured, ill-tempered, irascible, irritable, ornery, peevish, pettish, petulant, prickly, querulous, rude, snappish, snappy, stroppy [], surly, testy, touchy, ugly, waspish; savage, vicious; battling, fighting, warring

anti-imperialist, antimilitarist, unwarlike; affable, amiable, amicable, benevolent, complaisant, conciliatory, cordial, easygoing, friendly, genial, good-natured, good-tempered, gracious, ingratiating, kindhearted, obliging, pleasant, sociable; calm, quiet, relaxed, serene, tranquil; benign, gentle, kindly, mild

contentious, controversial, disputatious, polemical ( polemic), quarrelsome, scrappy

aggressive, bellicose, belligerent, combative, gladiatorial, militant, pugnacious, truculent, warlike; feisty, fractious, surly; balky, contrary, ornery, perverse, restive, wayward; disobedient, froward, insubordinate, intractable, recalcitrant, refractory; hardheaded, headstrong, mulish, obdurate, obstinate, pigheaded, resistant, self-opinionated, self-willed, stubborn, unbending, uncompromising, uncooperative, unreasonable, unyielding, willful ( wilful); acidic, bearish, bilious, cantankerous, captious, choleric, crabby, cranky, cross, disagreeable, dyspeptic, fretful, grouchy, grumpy, huffy, ill-humored, ill-natured, ill-tempered, irascible, irritable, peevish, pettish, petulant, querulous, rude, snappish, snappy, splenetic, testy, touchy, waspish; battling, fighting, warring

affable, amiable, amicable, benevolent, cordial, easygoing, friendly, genial, good-natured, good-tempered, gracious, ingratiating, pleasant, sociable; acquiescent, agreeable, amenable, complaisant, compliant, complying, conciliatory, cooperative, obliging; docile, obedient, submissive, tractable; pacific, peaceable, peaceful

argumentative, contentious, disputatious, hot-button, polemical ( polemic)

delicate, difficult, knotty, problematic ( problematical), spiny, thorny, ticklish, touchy, tough

incontestable, incontrovertible, indisputable, indubitable, undeniable, unquestionable; irrefutable; uncontested, undisputed