| adversary(noun, match, opposition, rival, favorite) |
| also-ran |
| antagonist(noun, opposition, rival, favorite, enemy) |
| anti(noun, match, opposition, rival, opponent) |
| applicant |
| assailant(noun, match, opposition, rival, opponent) |
| baby kisser |
| bandit(noun, match, opposition, rival, opponent) |
| bare possibility |
| battler(competitor, participant, candidate, contender) |
| bidder(noun, opposition, job, rival, enemy) |
| challenger(noun, opposition, rival, favorite, enemy) |
| claimant |
| combatant(competitor, participant, candidate, contender) |
| competitor(noun, opposition, job, rival, enemy) |
| con(noun, match, opposition, rival, opponent) |
| contender(job, competitor, participant, runner, contestant) |
| contestant(noun, opposition, job, rival, favorite) |
| contester(competitor, participant, candidate, contender) |
| counteragent(noun, match, opposition, rival, opponent) |