| monkey wrench(noun, expression, difficulty, hindrance, problem) |
| mountain(noun, difficulty, restraint, bump, hindrance) |
| negative |
| news(discouragement, persuasion, deterrence) |
| obviation(noun, discouragement, persuasion, prevention, deterrence) |
| onerous requirement(expression, idiom) |
| opinion(discouragement, persuasion, deterrence) |
| opposition(noun, restraint, caution, hindrance, warning) |
| outrage |
| persuasion(discouragement, deterrence) |
| preclusion(noun, discouragement, persuasion, prevention, deterrence) |
| preemption(noun, discouragement, persuasion, prevention, deterrence) |
| prescription(discouragement, persuasion, deterrence) |
| preventative(noun, curb, restraint, hindrance, impediment) |
| preventive(noun, curb, restraint, hindrance, impediment) |
| problem(difficulty, hindrance) |
| proposal(discouragement, persuasion, deterrence) |
| proposition(discouragement, persuasion, deterrence) |
| rational motive(expression, idiom) |
| rebuff(noun, restraint, caution, hindrance, impediment) |