THESAURUS
unfriendliness
aggression, aggressiveness, antagonism, autism, bashfulness, bellicism, bellicosity, belligerence, belligerency, chauvinism, chill, chilliness, coldness, combativeness, contentiousness, coolness, disaffinity, dissociability, enmity, ferocity, fierceness, fight, frost, hostility, iciness, incompatibility, incompatibleness, inhospitableness, inhospitality, inimicality, insociability, jingoism, martialism, militancy, militarism, mopishness, moroseness, nonwelcome, personal conflict, pugnaciousness, pugnacity, quarrelsomeness, saber rattling, self-containment, self-sufficiency, social incompatibility, strain, sullenness, tension, truculence, unamiability, uncommunicativeness, uncompanionability, uncongeniality, uncordiality, ungeniality, ungraciousness, ungregariousness, unhospitableness, unneighborliness, unpeacefulness, unreceptiveness, unsociability, unsociableness, warmongering, warpath
ROGET THESAURUS
unfriendliness
Enmity
N
enmity, hostility,
unfriendliness, discord, bitterness, rancor, alienation, estrangement, dislike, hate, heartburning, animosity, malevolence, inimical, unfriendly, hostile, at enmity, at variance, at daggers drawn, at open war with, up in arms against, in bad odor with, on bad terms, not on speaking terms, cool, cold, cold hearted, estranged, alienated, disaffected, irreconcilable.