| contradictory(adjective, feature, conflict, opposition, objection) |
| contender(noun, person, opposition, opponent, competitor) |
| opponent(noun, person, opposition, competitor) |
| contrary(adjective, feature, conflict, opposition, objection) |
| opposite(adjective, feature, conflict, opposition, objection) |
| contestant(noun, person, opposition, opponent, competitor) |
| maverick(noun, person, behavior, riot) |
| nonconformist(noun, person, behavior, riot) |
| opposed(adjective, feature, opposition, objection) |
| opposing(adjective, feature, conflict, opposition, objection) |
| recusant(noun, person, behavior, riot) |
| adversary(noun, person, opposition, opponent, competitor) |
| antithetical(adjective, feature, conflict, opposition, objection) |
| competitor(noun, person, opposition, opponent) |
| conflicting(adjective, feature, opposition, objection) |
| converse(adjective, feature, conflict, opposition, objection) |
| enemy(noun, person, opposition, opponent, competitor) |
| insurgent(noun, person, behavior, riot) |
| rebel(noun, person, behavior, riot) |
| reverse(adjective, feature, conflict, opposition, objection) |