'off' definitions:

Definition of 'off'

From: WordNet
adverb
From a particular thing or place or position (`forth' is obsolete); "ran away from the lion"; "wanted to get away from there"; "sent the children away to boarding school"; "the teacher waved the children away from the dead animal"; "went off to school"; "they drove off"; "go forth and preach" [syn: away, off, forth]
adverb
At a distance in space or time; "the boat was 5 miles off (or away)"; "the party is still 2 weeks off (or away)"; "away back in the 18th century" [syn: off, away]
adverb
No longer on or in contact or attached; "clean off the dirt"; "he shaved off his mustache"
adjective
Not in operation or operational; "the oven is off"; "the lights are off" [ant: on]
adjective
Below a satisfactory level; "an off year for tennis"; "his performance was off"
adjective
(of events) no longer planned or scheduled; "the wedding is definitely off" [syn: off, cancelled] [ant: on]
adjective
In an unpalatable state; "sour milk" [syn: off, sour, turned]
adjective
Not performing or scheduled for duties; "He's off every Tuesday"
verb
Kill intentionally and with premeditation; "The mafia boss ordered his enemies murdered" [syn: murder, slay, hit, dispatch, bump off, off, polish off, remove]

Synonyms of 'off'

From: Moby Thesaurus