(out) adverb
1. Away from the inside or center; to go out; to branch out.
2. Away from a specified or usual place: to set out from Paris.
3. From a receptacle or source: to pour out wine.
4. So as to free of undesired parts or refuse: to thresh out grain; to sweep out a room.
5. From among others: to pick out a dress.
6. Into the charge or care of another or others: to hire out laborers; to deal out cards.
7. So as to project or be extended: to stretch out.
8. Into extinction or inactivity: The flame went out; The excitement died out.
9. To a result or conclusion: to fight it out; to find out.
10. Completely; fully: tired out.
11. Into existence or outward manifestation: An epidemic broke out; The sun came out.
12. Into blossom or leaf.
13. Into public notice or circulation: to bring out a new edition.
14. Aloud: to call out.
15. On strike.
16. Into disagreement; at odds: to be put out over trifles.
17. Colloq. Into unconsciousness: to pass out.
18. In baseball, cricket, etc., so as to be retired from active or leading play: to strike out.
—adjective
1. External; exterior; outer.
2. Away from one's home, place of work, or other place regarded as a base: to be out on maneuvers.
3. Away at a distance: to be out in California.
4. Exposed or bare, as by rents in the clothing: out at the knees.
5. Visible; manifest: The stars are out.
6. Made public; disclosed: The truth is out.
7. In blossom or leaf.
8. Removed; displaced: The stain is out.
9. Mistaken; in error: out in one's calculations.
10. Extinguished; exhausted: The fire is out.
11. Finished; at an end: before the week is out.
12. At odds; in disagreement.
13. At a financial loss; in default: to be out five dollars.
14. Not in effective operation: The machine is out.
15. Colloq. Unconscious: He's out.
16. In baseball, cricket, etc., no longer in active or leading play.
—prep.
1. From within; forth from: out the door.
2. Outside; on the outside of: the view out this window.
—noun
1. Something that is out.
2. An escape; a way to dodge responsibility or involvement: He had an out.
3. A person not in office or position of power; specifically, in the plural, the party not in power.
4. In baseball, retirement of a batter or base runner.
5. In tennis, a return of the ball, which, untouched by the opponent, falls outside the court.
6. Printing Matter in the copy omitted from the composed type.
—v.t. To drive out; expel.
—v.i. To come or go out; be revealed: Murder will out.
—interj. Go out! away! begone! [OE ūt]

1. Living or situated outside; external; away from the center; detached: outlying, outpatient.
2. Going forth; issuing; outward: outbound, outstretch.
3. Used to denote the time, place, or result of the action expressed by the root verb: outcome, outcry.
4. Excessive; surpassing; more; beyond. Dissyllabic nouns with this prefix are pronounced with an almost even stress on each syllable, the first slightly more emphatic. In dissyllabic verbs the stress is usually strongly upon the second element; but when their participles are used as adjectives or nouns, the stress becomes even or, for emphasis, shifts to the first syllable.
Out– is widely used in sense 4 to form compounds, as in the following list: