| limitation(noun, check, block, difficulty, curb) |
| resistance(noun, action, fight, struggle, conflict) |
| baulk |
| bulwark |
| complication(noun, trouble, catch, difficulty, pain) |
| constraint(noun, control, check, curb, limit) |
| jam(noun, check, block, delay, stay) |
| prevention(noun, stop, action, delay, struggle) |
| repression(noun, opposition) |
| retardation(noun, support, check, disorder, delay) |
| road block(noun, expression, disorder, difficulty, weakness) |
| stumbling-block |
| trouble(noun, concern, block, delay, strain) |
| frustration(noun, trouble, control, difficulty, curb) |
| balk |
| stumbling block(noun, expression, idiom, trouble, disorder) |
| constipation(noun, pain, hindrance, ache, closure) |
| drag(noun, disorder, difficulty, weakness, bar) |
| hedge(noun, difficulty, problem, obstacle, fence) |
| let(noun, hindrance) |