| challenge(verb, oppose, ignore, deny, reverse) |
| conflict(noun, verb, oppose) |
| countermine |
| impede(verb, stop, control, check, reduce) |
| inhibit(verb, stop, control, reduce, oppose) |
| negative(verb, stop, change, fix, check) |
| obstruct(verb, stop, hold, control, check) |
| restrain(verb, stop, control, remove, reduce) |
| go against(verb, expression, phrasal verb, break, check) |
| invalidate(verb, stop, fix, withdraw, abandon) |
| controvert(verb, oppose, challenge, deny, reverse) |
| counterattack(verb, attack, oppose, fight, struggle) |
| defeat(verb, stop, halt, prevent, hinder) |
| stop(verb, hold, control, reduce, restrain) |
| traverse(verb, stop, break, check, attack) |
| weaken(verb, cancel, undo, impair, discredit) |
| countermand(verb, stop, discharge, withdraw, abandon) |
| curb(verb, stop, control, attack, reduce) |
| destroy |
| dispute(verb, stop, check, attack, maintain) |