n. 25B6; noun
he glared at her with hostility : ANTAGONISM, unfriendliness, malevolence, malice, unkindness, rancour, venom, hatred; aggression, belligerence.
their hostility to the present regime : OPPOSITION, antagonism, animosity, antipathy, ill will, ill feeling, resentment, aversion, enmity.
a cessation of hostilities : FIGHTING, (armed) conflict, combat, warfare, war, bloodshed, violence.