1. (n.) Hatred; hostility; unfriendly disposition\.

2. (n.) A state of opposition; hostility.

Discordia Eris Kilkenny cats abhorrence abomination alienation allergy altercation animosity animus antagonism antipathy 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 hatred horror hostility ill will incompatibility incompatibleness inharmoniousness inharmony inimicalness jangle jar litigation loathing logomachy malevolence malice malignancy malignity 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