quantum leap

noun

Definition of quantum leap 

: an abrupt change, sudden increase, or dramatic advance

Examples of quantum leap in a Sentence

Prices have taken a quantum leap upward. The new drug is a quantum leap in the fight against cancer.

Recent Examples on the Web

Although the most current Apache, the AH-64E, contains composite rotorblades, improved avionics and a new 701D engine, a new platform would be expected to introduce a quantum leap forward with respect to attack helicopter technology. Kris Osborn, Fox News, "US Army starts work on future attack-recon helicopter," 16 May 2018 Blockchain is a quantum leap in trust, but guess what? Louise Matsakis, WIRED, "Following a Tuna from Fiji to Brooklyn—on the Blockchain," 22 May 2018 The tools are still there, but Guerra, in his second season at high Single-A Lake Elsinore, hasn’t exactly made a quantum leap forward after his frustrating 2016. Dennis Lin, sandiegouniontribune.com, "Padres mailbag: How many starting pitchers will be on the move?," 10 July 2017 As opportunity, possibility, and free will are truly shared by all, the world takes quantum leaps forward. Mark Sappenfield, The Christian Science Monitor, "To improve the world, enlist girls, too," 15 Apr. 2018 This type of gaming has made a quantum leap in recent years as thousands of fans pack arenas, or even stadiums, to watch the virtual action. Michael Shapiro, San Francisco Chronicle, "New e-sports arenas open in Las Vegas and Oakland," 9 Apr. 2018 Both moves qualified as quantum leaps of faith, decisions that required vision not every athletic director possesses when plotting a program’s future. David Haugh, chicagotribune.com, "The two key decisions that helped Loyola reach the Final Four," 27 Mar. 2018 The focus on a race outside of Chicago’s urban center, in an upscale, heavily white congressional district, represented a quantum leap of sorts for many on the left. David Weigel, Washington Post, "A ‘tea party of the left’? Liberal activists learn tough lessons in quest to purify Democratic Party," 24 Mar. 2018 The Wolf Pack made a quantum leap in his first season in charge (2015-16), improving from 9-22 to 24-14 with a College Basketball Invitational title. Chris Johnson, SI.com, "How Nevada's Unconventional Roster-Building Strategy Engineered Its Miraculous Sweet 16 Run," 21 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quantum leap.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of quantum leap

1956, in the meaning defined above

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The first known use of quantum leap was in 1956

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More Definitions for quantum leap

quantum leap

noun

English Language Learners Definition of quantum leap

: a sudden large change, development, or improvement

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