From WordNet (r) 3.0 (2006):
off
adv 1: from a particular thing or place or position (`forth' is
obsolete); "ran away from the lion"; "wanted to get away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]
2: 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]
3: no longer on or in contact or attached; "clean off the dirt";
"he shaved off his mustache"
adj 1: not in operation or operational; "the oven is off"; "the
lights are off" [ant: on]
2: below a satisfactory level; "an off year for tennis"; "his
performance was off"
3: (of events) no longer planned or scheduled; "the wedding is
definitely off" [syn: off, cancelled] [ant: on]
4: in an unpalatable state; "sour milk" [syn: off, sour,
turned]
5: not performing or scheduled for duties; "He's off every
Tuesday"
v 1: kill intentionally and with premeditation; "The mafia boss
ordered his enemies murdered" [syn: murder, slay,
hit, dispatch, bump off, off, polish off,
remove]