| A | B |
| Cessation | a halt |
| Commence | to begin |
| Deter | to prevent or discourage from acting (by means of fear) |
| hamper | to prevent from moving freely, a large basket |
| obstruction | an obstacle something that gets in the way |
| preclude | to make impossible (in advance), to prevent |
| procrastinate | to delay, to put off doing something |
| scuttle | to scurry (running with short, hurried movement) |
| subside | to sink to a lower level, to become less active or intense |
| thwart | to prevent, frustrate, or block |