jack-up

[jak-uhp]

noun

Informal.

1. an increase or rise.

   a recent jack-up in prices.

jack up

verb

1. (tr) to increase (prices, salaries, etc)

2. (tr) to raise an object, such as a car, with or as with a jack

3. slang,  (intr) to inject oneself with a drug, usually heroin

4. informal,  (intr) to refuse to comply; rebel, esp collectively

5. informal,  to initiate, organize, or procure

noun

1. something that has been contrived or achieved by dishonest means

Word History and Origins

Origin of jack up¹

1900–05, noun use of verb phrase jack up

Idioms and Phrases

Raise or increase, as in The cartel is jacking up oil prices again. This term alludes to the literal meaning of jack up, that is, “hoist with a jack.” [Colloquial; c. 1900]

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