| drown |
| dumbfound |
| dummy up(verb, expression, calm, dull, quiet) |
| encumber(verb, check, delay, hinder, lessen) |
| falter(verb, check, delay, hinder, lessen) |
| fasten |
| fetter(verb, check, delay, hinder, lessen) |
| fill up |
| fix(verb, stop, break, close, block) |
| flag(verb, check, delay, hinder, lessen) |
| foil(verb, block, hinder, impede, obstruct) |
| fold |
| forestall(verb, stop, break, close, block) |
| frustrate(verb, break, block, prevent, hinder) |
| give the run around(verb, expression, hinder, obstruct, frustrate) |
| hamper(verb, check, delay, hinder, lessen) |
| handicap(verb, check, delay, hinder, lessen) |
| hang fire(verb, expression, hinder, obstruct, frustrate) |
| hang up(verb, expression, stop, close, check) |
| hesitate(verb, check, delay, hinder, lessen) |