| hazard |
| head back(process, obstacle, obstruction) |
| inhibition(noun, disorder, worry, difficulty, anxiety) |
| interrupt(verb, stop, close, end, check) |
| loaf(noun, bar, piece, mass, size) |
| parry(noun, verb, stop, upset, beat) |
| piece(noun, drop, part, group, thing) |
| resist(verb, separate, oppose, delay, curb) |
| screen(noun, verb, cover, show, bar) |
| shut out(verb, expression, phrasal verb, stop, break) |
| square(noun, state, part, thing, piece) |
| stricture(noun, disorder, weakness, impairment, inadequacy) |
| tackle(verb, close, prevent, hinder, challenge) |
| bulwark |
| constipation(noun, hindrance) |
| hide(verb, cover, check, show, obscure) |
| hurdle(noun, verb, upset, help, open) |
| immobilize(verb, stop, finish, pause, cease) |
| interfere(verb, hold, check, remove, keep) |
| obturate |