| objecting(verb, hostile, counter, different, antagonistic) |
| obstinate(negative, hostile, different, adverse, conflicting) |
| odds |
| offbeat(adjective, distant, distinct, different, unsuitable) |
| perverse(negative, hostile, different, adverse, conflicting) |
| polarity |
| poles apart(expression, distant, distinct, different, distinctive) |
| protesting(verb, hostile, counter, different, antagonistic) |
| quarreling(verb, adjective, harsh, different, antagonistic) |
| rasping(adjective, hard, severe, sharp, flat) |
| reaction |
| recalcitrant(negative, hostile, different, adverse, conflicting) |
| recoil |
| refractory(negative, hostile, different, adverse, conflicting) |
| renitency |
| reverse(negative, hostile, different, contrary, adverse) |
| rival(hostile, counter, different, antagonistic, contrary) |
| rivalry(noun, dislike, disagreement, hatred, resentment) |
| rough(adjective, hard, severe, sharp, flat) |
| rub |