jack sth up Meaning in Cambridge English Dictionary
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Meaning of "jack sth up" - English Dictionary

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jack sth up

phrasal verb with jack uk   us   /dʒæk/ verb

(LIFT)

to raise a heavy object such as a car off the ground with a jack

(INCREASE)

informal disapproving to increase the price of something suddenly and by a large amount: Once the tourists arrive, the restaurants jack up their prices.
(Definition of jack sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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