Noun

1. A vigorous blow
2. A serious collision (especially of motor vehicles)
3. A hard return hitting the tennis ball above your head
4. The act of colliding with something
5. A conspicuous success

Verb

1. Hit hard
2. Break into pieces, as by striking or knocking over
3. Reduce to bankruptcy
4. Hit violently
5. Humiliate or depress completely
6. Damage or destroy as if by violence
7. Hit (a tennis ball) in a powerful overhead stroke
8. Collide or strike violently and suddenly
9. Overthrow or destroy (something considered evil or harmful)
10. Break suddenly into pieces, as from a violent blow