| cessation | (n) A halt |
| commence | (v) To begin |
| deter | (v) To discourage from acting |
| hamper | (v) To limit; to prevent the progress of |
| obstruction | (n) Something that gets in the way |
| preclude | (v) To make impossible |
| procrastinate | (v) To put off doing something |
| scuttle | (v) To run with short hurried steps |
| subside | (v) To become less active |
| thwart | (v) To prevent from happening |