antagonism antipathy bad blood championship clashing collision competitor concours conflict contention contest contrariety contrariness corrival cross-purposes cutthroat competition disaccord dissension emulation enmity event fractiousness friction game gamesmanship hostility inimicalness jockeying lifemanship match meet meeting negativeness noncooperation obstinacy one-upmanship oppugnancy perverseness recalcitrance refractoriness rencontre repugnance rivalry strife striving struggle tournament tug-of-war uncooperativeness vying warfare