quit

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To depart from; leave: "You and I are on the point of quitting the theater of our exploits” ( Horatio Nelson).
2. v. To leave the company of: had to quit the gathering in order to be home by midnight.
3. v. To give up; relinquish: quit a job.
4. v. To abandon or put aside; forsake: advised them to quit their dissipated ways.
5. v. To cease or discontinue: asked them to quit talking; quit smoking.
6. v. Computer Science To exit (an application).
7. v. To rid oneself of by paying: quit a debt.
8. v. To release from a burden or responsibility.
9. v. To conduct (oneself) in a specified way: Quit yourselves like adults.
10. v. To cease performing an action. See Synonyms at stop.
11. v. To give up, as in defeat; stop.
12. v. To leave a job.
13. adj. Absolved of a duty or an obligation; free.

Century Dictionary and Cyclopedia

1. Discharged or released from a debt, penalty, or obligation; on even terms; absolved; free; clear.
2. To satisfy, as a claim or debt; discharge, as an obligation or duty; make payment for or of; pay; repay; requite.
3. To set free; release; absolve; acquit; exonerate.
4. To free, as from something harmful or oppressing; relieve; clear; liberate: with of.
5. To meet the claims upon, or expectations entertained of; conduct; acquit: used reflexively.
6. To complete; spend: said of time.
7. To depart from; go away from; leave.
8. To resign; give up; let go.
9. To forsake; abandon.
10. In archery, to discharge; shoot.
11. To extract; get rid of.
12. To remove by force.
13. To cease; stop; give over.
14. Synonyms and Desert, Abandon, etc. See forsake.
15. n. Same as queet.
16. n. The popular name of numerous small birds of Jamaica, belonging to different genera and families. Banana-quits are species of Certhiola, as C. flaveola; grass-quits are various small sparrow-like birds, as Spermophila olivacea; the blue quit is a tanager, Euphonia jamaica; the orange quit is another tanager, Tanagrella ruficollis.
17. n. A term introduced by Professor H. A. Newton to denote the point on the celestial sphere from which the motion of a body is at any moment directed: thus, the earth's quit is always a point on the ecliptic about 90° east of the sun. The quit is opposite to the goal. See goal, 7.

Wiktionary

1. v. transitive, archaic To pay (a debt, fine etc.).
2. v. transitive, obsolete To repay (someone) for (something).
3. v. transitive, obsolete To repay, pay back (a good deed, injury etc.).
4. v. reflexive, archaic To conduct oneself, acquit oneself, to behave (in a specified way).
5. v. transitive To abandon, renounce (a thing).
6. v. transitive To leave (a place).
7. v. transitive, intransitive To resign from (a job, office, position, etc.).
8. v. transitive, intransitive To stop, give up (an activity) (usually + gerund or verbal noun).
9. v. transitive, computing To close (an application).
10. v. Simple past tense and past participle of quit.

GNU Webster's 1913

1. n. (Zoöl.) Any one of numerous species of small passerine birds native of tropical America. See Banana quit, under banana, and guitguit.
2. adj. Released from obligation, charge, penalty, etc.; free; clear; absolved; acquitted.
3. v. rare To set at rest; to free, as from anything harmful or oppressive; to relieve; to clear; to liberate.
4. v. To release from obligation, accusation, penalty, or the like; to absolve; to acquit.
5. v. To discharge, as an obligation or duty; to meet and satisfy, as a claim or debt; to make payment for or of; to requite; to repay.
6. v. To meet the claims upon, or expectations entertained of; to conduct; to acquit; -- used reflexively.
7. v. obsolete To carry through; to go through to the end.
8. v. To have done with; to cease from; to stop; hence, to depart from; to leave; to forsake
9. v. To go away; to depart; to stop doing a thing; to cease.

WordNet 3.0

1. v. turn away from; give up
2. v. go away or leave
3. v. give up in the face of defeat of lacking hope; admit defeat
4. v. put an end to a state or an activity
5. v. give up or retire from a position