Antonym: on. Similar words: of, if, oak, odd, offer, oh, oil, ok. Meaning: [ɔf /ɒf] 
v. kill intentionally and with premeditation. adj. 1. not in operation or operational 2. below a satisfactory level 3. (of events) no longer planned or scheduled 4. in an unpalatable state 5. not performing or scheduled for duties. adv. 1. from a particular thing or place or position (`forth' is obsolete) 2. at a distance in space or time 3. no longer on or in contact or attached.
v. kill intentionally and with premeditation. adj. 1. not in operation or operational 2. below a satisfactory level 3. (of events) no longer planned or scheduled 4. in an unpalatable state 5. not performing or scheduled for duties. adv. 1. from a particular thing or place or position (`forth' is obsolete) 2. at a distance in space or time 3. no longer on or in contact or attached. 
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121) Setting off firecrackers is a very important activity during the Spring Festival.
122) Someone unknown tipped off the police about the plan to rob the bank.
123) In the thirties, air travel really began to take off.
124) She threatened to walk off the film set because of the conditions.
125) He's thrown up his job and gone off to Africa to work for a children's charity.
126) He has been accused of skimming the cream off the economy.
127) You have to take the top off to change the batteries .
128) Life is a roller coaster, you have your ups and downs unless you fall off.
129) He does not do any honest work and live off others.
130) The builders have marked off a corner of field ready for the new building.
131) Totally exhausted, he tore his clothes off and fell into bed.
132) I suppose Carolyn went off with some man she'd fallen in love with.
133) My hat blew off while I was crossing the bridge.
134) At the end of the movie, the hero rides off into the sunset.
135) We shut off the motor before we left the workshop.
136) He was drowned in a shipwreck off the coast of Spain.
137) I levered the lid off the box with a stick.
138) The essay exhorts women to cast off their servitude to husbands and priests.
139) I had a tussle to get the knife off him.
140) He's sitting in his bedroom snivelling because he was told off for not doing his homework.
141) All their customer information was wiped off the computer by a virus.
142) The rugby tour was a disaster both on and off the pitch.
143) He slipped off the ladder and fell to the ground.
144) Tomorrow's match has been called off because of the icy weather.
145) Like the meeting of the seagulls and the waves we meet and come near.The seagulls fly off, the waves roll away and we depart.
146) He peeled the paper top off a little white tub and poured the cream into his coffee.
147) The ball ricocheted off the goalkeeper and into the net.
147) Sentencedict.com try its best to collect and make good sentences.
148) If you want any time off work you'll have to ask the guvnor.
149) Coming off the drug was a long and painful process for him.
150) I'll have to ask my boss for a day off.