as in breakthrough
a sudden large change or improvement
Prices have taken a quantum leap upward. The new drug is a quantum leap in the fight against cancer.
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Recent Examples of quantum leap
That such a quantum leap in performance was offered by such a thoroughly civilised motorcycle speaks volumes for what came before it.
—
Mike Hanlon
january 16, New Atlas, 16 Jan. 2026
The quantum leap Bedard has taken this season is more than just scoring more goals, creating more of his own offense, running a more dangerous power play.
—Mark Lazerus, New York Times, 2 Jan. 2026
And then comes your quantum leap.
—Dossé-Via Trenou, Refinery29, 23 Dec. 2025
Don Toliver made the quantum leap to rap’s A list with the arrival of the Houston native’s OCTANE album in January.
—Michael Saponara, Billboard, 3 Sep. 2019
See All Example Sentences for quantum leap
Mike Hanlon
january 16, New Atlas, 16 Jan. 2026
The quantum leap Bedard has taken this season is more than just scoring more goals, creating more of his own offense, running a more dangerous power play.
—Mark Lazerus, New York Times, 2 Jan. 2026
And then comes your quantum leap.
—Dossé-Via Trenou, Refinery29, 23 Dec. 2025
Don Toliver made the quantum leap to rap’s A list with the arrival of the Houston native’s OCTANE album in January.
—Michael Saponara, Billboard, 3 Sep. 2019
See All Example Sentences for quantum leap
Recent Examples of Synonyms for quantum leap
Noun
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In particular Ben Rice, who’s off to a breakthrough season, and 38-year-old Paul Goldschmidt, who the Yankees allowed to sit out there as a free agent most of the winter until re-signing him right before spring training for what is now looking as the bargain of the offseason at $4 million.—
Bill Madden,
New York Daily News,
20 June 2026
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This capability is something many militaries are already rushing to develop, but the real breakthrough here is the unit’s size and weight.—
Christopher McFadden,
Interesting Engineering,
20 June 2026
Noun
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Advertisement Economic relief for Iran The deal’s financial relief for Iran, while a concern for some American lawmakers, could actually be a boost for the global economy, analysts say.—
Miranda Jeyaretnam,
Time,
19 June 2026
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Charcoal lends an extra purifying boost, while hydrolyzed keratin smooths frizz and softens hair after cleansing.—
Christa Joanna Lee,
Allure,
19 June 2026
Noun
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Ouchi recommends constant physical strengthening, specifically weight lifting.—
Adaira Landry,
Forbes.com,
28 May 2026
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After adding my hair growth favorites to your cart, check out more of the brand's strengthening and growth-boosting formulas.—
Isabel Bekele,
InStyle,
26 May 2026
Cite this Entry
“Quantum leap.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quantum%20leap. Accessed 22 Jun. 2026.
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