off

verbs

kill intentionally and with premeditation
"The mafia boss ordered his enemies murdered"

adjectives

not in operation or operational
"the oven is off"; "the lights are off"
off
antonym
is similar to
not plugged in or connected to a power source
"the iron is disconnected"
below a satisfactory level
"an off year for tennis"; "his performance was off"
off
is similar to
not giving satisfaction
"shops should take back unsatisfactory goods"; "her performance proved to be unsatisfactory"; "life is becoming increasingly unsatifactory"; "our discussion was very unsatisfactory"
(of events) no longer planned or scheduled
"the wedding is definitely off"
antonym
in an unpalatable state
"sour milk"
not performing or scheduled for duties
"He's off every Tuesday"
off
is similar to
not engaged in full-time work
"inactive reserve"; "an inactive member"

adverbs

from a particular thing or place or position (`forth' is obsolete)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"
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"
no longer on or in contact or attached
"clean off the dirt"; "he shaved off his mustache"
off