| ail | prevent, obstruct, stop |
| bar | prevent, obstruct, block |
| bar | obstruction, barrier, obstacle |
| clearly | without interference, unobstructedly |
| clog | impede, hinder, obstruct [progress] |
| fair | favourable, unobstructed, clear |
| free | open, unobstructed, unimpeded |
| hamper | impede, obstruct, fetter |
| impediment | obstruction, hindrance, obstacle |
| interruption | resistance, hindrance, obstruction |
| obstruct | [debated meaning] obstruction, impediment, hindrance |
| obstruction | deathly state, rigor mortis |
| obstruction | obstacle, difficulty, hindrance |
| pester | obstructing, crowding, clogging |
| stop | obstruction, obstacle, hindrance |
| stop | block, hinder, impede, obstruct |
| stuffed | clogged, obstructed, oppressed |