| bunker |
| ceiling(limit, restraint, constraint) |
| chain(difficulty, weakness, burden, defect, impairment) |
| checkmate(noun, block, obstacle, impediment, barrier) |
| circumscription(control, check, limit, condition, restraint) |
| circumvention(noun, block, obstacle, impediment, barrier) |
| comedown(trouble, delay, blow, hindrance, disappointment) |
| complexity(noun, adversity, complication, intricacy, complicatedness) |
| complicatedness(noun, adversity, complication, complexity, intricacy) |
| complicating |
| condition(control, check, limit, restraint, constraint) |
| constraint(control, check, limit, condition, restraint) |
| control(check, limit, condition, restraint, constraint) |
| corner(draw, stalemate, impasse, cul-de-sac) |
| counterwork |
| cropper(difficulty, problem, disadvantage, bug, impediment) |
| crunch(difficulty, problem, bug, impediment, hitch) |
| cul-de-sac |
| cul-de-sac deadlock(expression, draw, stalemate, impasse, cul-de-sac) |
| damper(hindrance, impediment, discouragement) |