| block up |
| bottle up(verb, expression, quiet, restrain, curb) |
| brake(verb, stop, control, close, halt) |
| bung(verb, stop, close, pack, fill) |
| button(verb, block, bar, obstruct, fill) |
| catch(verb, stop, close, halt, block) |
| charge(verb, stop, close, halt, block) |
| check(verb, stop, control, close, halt) |
| chink |
| chock |
| clap(verb, block, bar, obstruct, fill) |
| clench(verb, block, bar, obstruct, fill) |
| close off(verb, expression, phrasal verb, stop, close) |
| close out(verb, expression, phrasal verb, stop, close) |
| confine(verb, control, block, bar, obstruct) |
| constrain(verb, control, close, restrain, curb) |
| constrict |
| cork up(verb, expression, quiet, restrain, curb) |
| crowd |
| curb(verb, close, restrain, block, suppress) |