| hardship(noun, trouble, charge, worry, concern) |
| hinder |
| hold-up(noun, trouble, check, block, delay) |
| impairment(noun, disorder, weakness, burden, disadvantage) |
| impasse(noun, trouble, difficulty, pain, struggle) |
| joker(noun, difficulty, restraint, problem, obstacle) |
| lag(noun, check, delay, stay, wait) |
| leash(noun, curb, restraint, impediment, discouragement) |
| legal restraint(expression, idiom) |
| lock(noun, block, difficulty, obstacle, obstruction) |
| logjam(noun, check, block, delay, stay) |
| manacle(weakness, impairment, disablement) |
| moratorium(noun, check, delay, stay, wait) |
| objection(noun, opposition) |
| occlusion(noun, halt, delay, strike, protest) |
| overload |
| pain(noun, upset, trouble, bother, worry) |
| plug(noun, break, end, block, bar) |
| protection(support, opposition, resistance, fighting, impermeability) |
| protest(noun, strike, opposition, stoppage) |