Enmity

n.	1.	The quality of being an enemy; hostile or unfriendly disposition. No ground of enmity between us known. - Milton.
	2.	A state of opposition; hostility. The friendship of the world is enmity with God. - James iv. 4.

Noun	1.	enmity - a state of deep-seated ill-will Synonyms: antagonism, hostility
	2.	enmity - the feeling of a hostile person; "he could no longer contain his hostility" Synonyms: ill will, hostility

Discordia, Eris, Kilkenny cats, abhorrence, abomination, alienation, allergy, altercation, animus, argument, aversion, bad blood, bickering, bitterness, cat-and-dog life, clash, clashing, cold sweat, collision, combat, competition, conflict, contention, contentiousness, contest, contestation, contrariety, contrariness, controversy, creeping flesh, cross-purposes, cut and thrust, daggers, dead set, debate, detestation, disaccord, disaffection, disaffinity, discord, discordance, discordancy, disgust, disharmony, dislike, disputation, dispute, dissension, estrangement, fighting, fractiousness, friction, gall, hate, horror, ill will, incompatibility, incompatibleness, inharmoniousness, inharmony, inimicalness, jangle, jar, litigation, loathing, logomachy, malevolence, malice, malignancy, mischief, mortal horror, nausea, negativeness, noncooperation, obstinacy, open conflict, oppugnancy, paper war, perverseness, polemic, quarrel, quarreling, quarrelsomeness, rancor, recalcitrance, refractoriness, repugnance, repulsion, rivalry, rub, scrapping, shuddering, spite, spleen, squabbling, strained relations, strife, struggle, tension, uncooperativeness, uncordiality, unfriendliness, unharmoniousness, unpleasantness, vying, war, war of words, warfare, words, wrangling