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Collins Concise English Dictionary © HarperCollins Publishers:: jack up vb (adverb)- (transitive) to increase (prices, salaries, etc)
- (transitive) to raise an object, such as a car, with or as with a jack
- (intransitive) slang to inject oneself with a drug, usually heroin
- (intransitive) Austral informal to refuse to comply; rebel, esp collectively
- NZ informal to initiate, organize, or procure
n jack-up - NZ something that has been contrived or achieved by dishonest means
jack-up ( jak′up′),USA pronunciation n. [Informal.]- Informal Termsan increase or rise:a recent jack-up in prices.
- noun, nominal use of verb, verbal phrase jack up 1900–05, American.
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