Synonym: all-night, nightlong. Similar words: night, at night, by night, nightmare, midnight, at midnight, night and day, day and night. Meaning: [əʊvəˈnaɪt] 
adj. lasting, open, or operating through the whole night. adv. happening in a short time or with great speed.
adj. lasting, open, or operating through the whole night. adv. happening in a short time or with great speed. 
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(121) I'm a realist I know you can't change people's attitudes overnight.
(122) In spite of his overnight stardom he still manages to keep his feet on the ground.
(123) We took the car to France overnight on a channel ferry.
(124) After an inch of rain at the racecourse overnight, the going is described as good to soft.
(125) A trough of low pressure over hilly areas will bring heavy thunderstorms overnight.
(126) He was kept in hospital overnight as a precautionary measure.
(127) I emptied the closet and put my belongings into the black overnight case.
(128) The wind had piped up to half a gale overnight.
(129) You'll need a change of clothes if you're staying overnight.
(130) Someone let the tyres down overnight as a mean joke.
(131) The demonstration outside the embassy landed some of the protesters in jail overnight.
(132) The award for best actress meant that almost overnight she was catapulted into the limelight.
(133) Such is the influence of TV that it can make a person famous overnight.
(134) Success didn't come overnight?she struggled for years before making any money.
(135) Hikers need a camping permit for overnight stays in the park.
(136) Refrigerate the mixture overnight.
(137) She indeed lives in a fool's paradise as she always dreams about making a huge fortune overnight.
(138) There will be no overnight switch away from old voting habits.
(139) Four cows calved overnight.
(140) The company has moved quickly to fill the niche in the overnight travel market.
(141) Mother let us go to the party, but when it came to staying overnight(Sentencedict.com),(sentencedict.com/overnight.html) she put her foot down firmly.
(142) The blood on the pavement had been washed away by the rain overnight.
(143) Members of the opposite sex are not allowed in students' rooms overnight.
(144) The movie transformed her almost overnight from an unknown schoolgirl into a megastar.
(145) We planned to overnight in Paris and then go to London by air.
(146) I fondly imagined that surgery meant a few stitches and an overnight stay in hospital.
(147) The war began with overnight air raids on Baghdad and Kuwait.
(148) The doctors have decided to keep him in hospital overnight but there is nothing to be alarmed about.
(149) It had snowed overnight and a thick white layer covered the ground.
(150) There will be overnight frost, with the risk of icy patches forming on the roads.
More similar words: night, at night, by night, nightmare, midnight, at midnight, night and day, day and night, governor, government, over and over, highlight, concerning, might, light, right, flight, height, slight, eighth, tightly, in sight, tighten, all right, fighter, light up, insight, delight, lightly, slightly.