| adversative |
| alien(adjective, mean, bad, nasty, cold) |
| antagonising |
| antagonizing |
| antonymous(hostile, different, contrary, opposite, opposing) |
| at cross-purposes(expression, hostile, different, contrary, opposite) |
| at loggerheads(expression, nasty, determined, hostile, spirited) |
| at odds(expression, adjective, hostile, counter, different) |
| barbarous(adjective, hostile, belligerent, quarrelsome) |
| catty(adjective, mean, nasty, unfriendly, aggressive) |
| chilly(adjective, nasty, cold, hostile, aloof) |
| choleric |
| churlish(adjective, malevolent) |
| competing(adjective, spirited, aggressive, ambitious, bloodthirsty) |
| con(bad, weak, gloomy, contrary, incompatible) |
| confronting(hostile, different, contrary, opposite, opposing) |
| contrapositive(adjective, reverse, contrary, adverse, conflicting) |
| contrarian(feature, opposition, objection) |
| contrasting(adjective, reverse, different, conflicting, opposite) |
| controversial(adjective, contentious) |