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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For millions of people taking weight loss drugs, the next breakthrough may not be more weight loss.—
Berkeley Lovelace Jr,
NBC news,
6 June 2026
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The breakthrough came from the US Air Force, which had spent years developing a propellant called ASCENT (Advanced SpaceCraft Energetic Non-Toxic propellant) as a greener replacement for hydrazine, a highly toxic chemical traditionally used in spacecraft propulsion.—
Omar Kardoudi
June 05,
New Atlas,
5 June 2026
Noun
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Other recent call-ups, like Nick Sogard and Mickey Gasper, have also given the lineup a boost.—
Mac Cerullo,
Boston Herald,
30 May 2026
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Dell said Thursday that its server unit had gotten a massive boost from widening AI adoption, challenging analysts’ assessment that demand for the business was already reflected in the stock price.—
Liz Napolitano,
CNBC,
29 May 2026
Noun
-
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 9 Jun. 2026.
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