Definition of: off

(ôf, of) adjective
1. Farther or more distant; remote: an off chance.
2. In a (specified) circumstance or situation: to be well off.
3. Not in accordance with the facts; wrong: Your reckoning is off.
4. Not in the usual health or condition; not up to standard: an off season for roses.
5. Not in existence; no longer considered active or effective: The deal is off.
6. Away from work; not on duty: He spent his off hours at the rink.
7. In riding or driving, on the right: opposed to near. Pass on the off side.
8. Naut. Seaward; farther from the coast.
9. In cricket, to the left of a bowler: said of the side of the field facing the batsman.
—adverb
1. To a distance; so as to be away: My horse ran off.
2. To or at a (specified) future time: Your engagement is another week off.
3. To or at a (specified) distance: The inn is a mile off.
4. So as to be no longer in place, connection, etc.: Take off your hat.
5. So as to be no longer functioning, continuing, or in operation: Turn the lights off.
6. So as to be away from one's work, duties, etc.: to take the day off.
7. So as to be completed, exhausted, etc.: to kill off one's enemies; to drink off a draught.
8. So as to deviate from or be below what is regarded as standard: His game was off.
9. Naut. Away from land, a ship, the wind, etc.: Keep her four points off.
—off with …! Take off! Remove!: Off with his head!
—off with you! Go away! Leave!
—right (or straight) off Forthwith; immediately.
—to be off
1. To leave; depart.
2. Colloq. To be insane.
—prep.
1. So as to be separated, detached, distant, or removed from (a position, source, etc.): Take your feet off the table; twenty miles off course.
2. Not engaged in or occupied with; relieved from: off duty.
3. Extending away or out from; no longer on: off Broadway.
4. So as to deviate from or be below (what is regarded as standard): to be off one's game.
5. On or from (the material or substance of): living off nuts and berries.
6. Colloq. No longer using, engaging in, or advocating: to be off drinking.
7. Naut. Opposite to and seaward of: the battle off the eastern cape.
—noun
1. The state or condition of being off.
2. In cricket, the offside (of the field). [ME, orig. stressed var. of OF]