1. (n.) A fellow rival; a competitor; a rival; also, a companion.

2. (a.) Having rivaling claims; emulous; in rivalry.

3. (v. i. & t.) To compete with; to rival.

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