| bar | obstruction, barrier, obstacle |
| cross | hindrance, obstacle, stumbling block |
| even | smooth, without obstacles |
| impeachment | impediment, hindrance, obstacle |
| impediment | obstruction, hindrance, obstacle |
| let | hindrance, obstacle, snag |
| mean | (plural) obstacles, intervening factors |
| obstacle | [rustic error for] obstinate |
| obstruction | obstacle, difficulty, hindrance |
| rub | [bowls] obstacle, impediment, hindrance |
| rub | [bowls] encounter an obstacle which changes the course of a bowl |
| rubbing | hindrance, impediment, forming of obstacles |
| stay | setback, obstacle, delay |
| stop | obstruction, obstacle, hindrance |