[ jak-uhp ]
/ ˈdʒækˌʌp /
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noun Informal.
an increase or rise: a recent jack-up in prices.
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Origin of jack-up

1900–05, Americanism; noun use of verb phrase jack up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use jack-up in a sentence

British Dictionary definitions for jack-up

jack up

verb (adverb)
(tr) to increase (prices, salaries, etc)
(tr) to raise an object, such as a car, with or as with a jack
(intr) slang to inject oneself with a drug, usually heroin
(intr) Australian informal to refuse to comply; rebel, esp collectively
NZ informal to initiate, organize, or procure
noun jack-up
NZ something that has been contrived or achieved by dishonest means
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with jack-up

jack up

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]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.