1
as in accidental
happening by chance
an unpremeditated encounter with an old boyfriend
Synonyms & Similar Words
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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
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unpremeditated
Although the murderers are often characters with redeeming qualities, Nolan Hurst (David Cross) is more sympathetic than most, and his killing of toy store manager/part-time extortionist Patrick Palmer (Drew Seltzer) is an unpremeditated act of desperation, not the settling of a score.
—
Sophie Brookover, Vulture, 17 Oct. 2025
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
Sophie Brookover, Vulture, 17 Oct. 2025
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
Recent Examples of Synonyms for unpremeditated
Adjective
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The infant and its 2-year-old sibling were removed from their parents’ home in May 2025 and placed in foster care after the baby suffered non-accidental injuries.—
Jane Harper,
Dallas Morning News,
18 Mar. 2026
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In a statement shared with The Baltimore Sun, a spokesperson for the department said that the pepper spray discharge was from the accidental triggering of a keychain canister and impacted at least 11 of the 31 students on board.—
Brian Carlton,
Baltimore Sun,
18 Mar. 2026
Adjective
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Sunday, though, and especially the impromptu late-night gathering at the Linebacker Lounge after a public visitation for Holtz, was about something else.—
Andrew Carter,
Chicago Tribune,
17 Mar. 2026
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Few things are more miserable than wet socks or suede sandals ruined by an impromptu downpour.—
Iman Balagam,
InStyle,
16 Mar. 2026
Adjective
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Considering its loose, improvisational dialogue, stilted line readings, and tendency to break the fourth wall, Tender Touches feels a lot like a show Rick and Morty might stumble across while channel surfing on their interdimensional cable box.—
Eric Vilas-Boas,
Vulture,
18 Mar. 2026
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The tension between Goddard’s structured script and Lord and Miller and Gosling’s penchant for improvisational and physical comedy played out on set.—
Anne Thompson,
IndieWire,
18 Mar. 2026
Adjective
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But military experts said Iran may have used its space launch vehicle for an improvised firing.—
Arkansas Online,
Arkansas Online,
22 Mar. 2026
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There was a clash with counter-protesters and two Muslim men from Pennsylvania allegedly threw improvised explosive devices.—
Brian Mann,
NPR,
18 Mar. 2026
Cite this Entry
“Unpremeditated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpremeditated. Accessed 24 Mar. 2026.
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