| reasonless(foolish, stupid, senseless, irrational, arbitrary) |
| recalcitrant(determined, negative, hostile, fixed, different) |
| refractory(determined, negative, hostile, fixed, different) |
| rival |
| silly(adjective, foolish, stupid, senseless, absurd) |
| stupid(adjective, foolish, senseless, absurd, irrational) |
| unbecoming(adjective, strange, odd, inappropriate, incompatible) |
| unfavourable |
| unfriendly(bad, disgusting, vile, revolting, repulsive) |
| unreasonable(obstinate, irrational, stubborn, arbitrary, willful) |
| unsuited(adjective, strange, odd, inappropriate, antagonistic) |
| variant(adjective, separate, distinct, different, tense) |
| alien(bad, strange, disgusting, vile, odd) |
| antipole(noun, turn, back, reverse, contrary) |
| antonym(noun, support, logic) |
| antonymic(adjective, support, opposite) |
| argumentative(adjective, incompatible) |
| contra(noun, turn, back, reverse, contrary) |
| contradiction(noun, turn, back, reverse, contrary) |
| contrarious |