1
as in accidental
happening by chance
an unpremeditated encounter with an old boyfriend
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Antonyms & Near Antonyms
2
as in impromptu
made or done without previous thought or preparation
an unpremeditated verbal attack that was prompted by an unexpected question at the press conference
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unpremeditated
Those who forgave depicted the moment in mystical terms—unpremeditated, unexpected, the words just flowed.
—
Kevin Sack, Time, 3 June 2025
Richmond initially was charged with unpremeditated murder, which carries a maximum sentence of life in prison.
—CBS News, 31 Jan. 2024
His determination to capture the naturalistic, unpremeditated aspects of his subjects made his work pulse with a startling sense of life.
—The New Yorker, 11 May 2022
Sanick Dela Cruz is charged with unpremeditated murder and making a false statement.
—CNN, 9 Mar. 2022
Rooney also resembled Hemingway—and Raymond Carver, a renovator of Hemingway’s minimalism whom Rooney has cited as an influence—in her ability to write dialogue that sounds unpremeditated but has a neutron-star density of drama and emotion.
—Caleb Crain, The Atlantic, 10 Aug. 2021
Colloquial speech sounds direct and unpremeditated.
—Washington Post, 9 July 2021
Although in cancel culture the moral panics are roving and unpremeditated, they can still be exploited for the benefit of the dominant class.
—New York Times, 3 Dec. 2020
Kevin Sack, Time, 3 June 2025
Richmond initially was charged with unpremeditated murder, which carries a maximum sentence of life in prison.
—CBS News, 31 Jan. 2024
His determination to capture the naturalistic, unpremeditated aspects of his subjects made his work pulse with a startling sense of life.
—The New Yorker, 11 May 2022
Sanick Dela Cruz is charged with unpremeditated murder and making a false statement.
—CNN, 9 Mar. 2022
Rooney also resembled Hemingway—and Raymond Carver, a renovator of Hemingway’s minimalism whom Rooney has cited as an influence—in her ability to write dialogue that sounds unpremeditated but has a neutron-star density of drama and emotion.
—Caleb Crain, The Atlantic, 10 Aug. 2021
Colloquial speech sounds direct and unpremeditated.
—Washington Post, 9 July 2021
Although in cancel culture the moral panics are roving and unpremeditated, they can still be exploited for the benefit of the dominant class.
—New York Times, 3 Dec. 2020
Recent Examples of Synonyms for unpremeditated
Adjective
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On sale for $14, this hanging toiletry bag is big enough to hold all of your skincare, haircare, and makeup essentials while protecting your clothes from accidental spills.—
Amelia McBride,
Travel + Leisure,
7 Oct. 2025
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The three victims' deaths were ruled accidental, the San Francisco Chronicle reported.—
David Chiu,
PEOPLE,
6 Oct. 2025
Adjective
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All students must complete an impromptu essay, which involves reading a short text and responding to a question about it within a two-hour time limit.—
Rory Linnane,
jsonline.com,
3 Oct. 2025
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In public, Mark Kerr speaks amiably about his trainer turned rival and even takes him along for a rowdy impromptu meet-and-greet, but the lack of friction comes off less as a sign of his unflappability than of Safdie’s indifference to probing a friendship beyond buddy-comedy depth.—
Richard Brody,
New Yorker,
30 Sep. 2025
Adjective
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The film, shot in the sort of seemingly improvisational, realistic style championed by John Cassavetes, may be too raw for mainstream consumption, but deservingly snagged the festival’s award for Best First Feature.—
Frank Scheck,
HollywoodReporter,
3 Oct. 2025
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By comparison, campaign two felt more scattered and improvisational (befitting a D&D game).—
Christopher Cruz,
Rolling Stone,
1 Oct. 2025
Adjective
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Two months later, the group launched more than two dozen attacks across northeastern Syria, relying on a combination of guerrilla tactics, including small arms fire, ambushes, assassinations, and improvised explosive devices targeting military checkpoints and government vehicles.—
Caroline Rose,
Foreign Affairs,
18 Sep. 2025
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The researchers believe this error was not from its knowledge base but was an improvised guess based on their prior conversation about the square’s diagonal.—
Mrigakshi Dixit,
Interesting Engineering,
17 Sep. 2025
Cite this Entry
“Unpremeditated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpremeditated. Accessed 9 Oct. 2025.
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