quit

1. To pay (a debt, fine etc.).
2. To repay (someone) for (something).
3. To repay, pay back (a good deed, injury etc.).
4. To conduct or acquit (oneself); to behave (in a specified way).
5. To carry through; to go through to the end.
6. To set at rest; to free, as from anything harmful or oppressive; to relieve; to clear; to liberate.
7. To release from obligation, accusation, penalty, etc.; to absolve; to acquit.
8. To abandon, renounce (a thing).
9. To leave (a place).
10. To resign from (a job, office, position, etc.).

    After having to work overtime without being paid, I quit my job.

11. To stop, give up (an activity) (usually + gerund or verbal noun).

    John is planning to quit smoking.

12. To close (an application).

adjective

(usually followed by of) Released from obligation, penalty, etc; free, clear, or rid.

noun

Any of numerous species of small passerine birds native to tropical America.