See hostility in Webster's New World Roget's A-Z Thesaurus II
noun
Warlike or hostile attitude or nature:
bellicoseness, bellicosity, belligerence, belligerency, combativeness, contentiousness, militance, militancy, pugnaciousness, pugnacity, truculence, truculency. See attackDeep-seated hatred, as between longtime opponents or rivals:
animosity, animus, antagonism, antipathy, enmity, ill will. See loveHostile behavior:
aggression, aggressiveness, belligerence, belligerency, combativeness, contentiousness, militance, militancy. See attackA state of open, prolonged fighting.
Used in plural: belligerency, conflict, confrontation, strife, struggle, war, warfare. See conflict
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