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
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
The record is a quantum leap, toying with all conventional notions of style, order, and shape.—Sheldon Pearce (Brooklyn Paramount; Dec. 1-2.
—Sheldon Pearce, New Yorker, 21 Nov. 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
Mark Lazerus, New York Times, 2 Jan. 2026
And then comes your quantum leap.
—Dossé-Via Trenou, Refinery29, 23 Dec. 2025
The record is a quantum leap, toying with all conventional notions of style, order, and shape.—Sheldon Pearce (Brooklyn Paramount; Dec. 1-2.
—Sheldon Pearce, New Yorker, 21 Nov. 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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The elections were a breakthrough for Reform UK, the latest hard-right party led by the veteran nationalist politician Nigel Farage.—
CBS News,
CBS News,
9 May 2026
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Kahan has been open about his appreciation for Bridgers’ music, particularly around the release of her 2020 now-classic breakthrough Punisher.—
Angie Martoccio,
Rolling Stone,
9 May 2026
Noun
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The faster spin resulted in a 30 percent boost in lift capability.—
ArsTechnica,
ArsTechnica,
8 May 2026
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The strange upside of high-profile rulings like Friday’s is a boost to Democratic messaging against the few swing-state centrist Republicans who are still clinging to House seats.—
Nicholas Wu,
semafor.com,
8 May 2026
Noun
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The initiative will also support developing countries through outreach such as training, advisory services and institutional strengthening.—
Jennifer Bringle,
Footwear News,
28 Apr. 2026
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Adelphi offers policy proposals across the IP spectrum that are meant to counterbalance the international strengthening of IP laws, regulations, and enforcement.—
Encyclopedia Britannica,
Encyclopedia Britannica,
24 Apr. 2026
Cite this Entry
“Quantum leap.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/quantum%20leap. Accessed 11 May. 2026.
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