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
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.
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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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Elvyn Yohel Ramos Routt County Investigators also said Ramos filed an insurance claim reporting the fire as accidental.—
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In another show, with a lesser writer, such incongruities could be read as character inconsistencies, accidental oversights, mistakes.—
Adjective
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This adds a layer of spontaneity to your dating life, increasing the potential for chemistry and impromptu love stories that catch you by surprise.—
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Stock up on this frozen item to serve at impromptu parties.—
Adjective
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Their fans, known as Deadheads, would tour along from city to city and revel in the constantly changing set lists, extended soloing and improvisational jamming that gave each show a unique flavor.—
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Their music — called acid rock at its inception — would pull in blues, jazz, country, folk and psychedelia in long improvisational jams at their concerts.—
Adjective
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Mochrie then performs an improvised comedy act with the semi-conscious volunteers.—
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This writing had an intimate, improvised feel and often took a looser approach to craft; much of it was written with performance in mind.—
Cite this Entry
“Unpremeditated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpremeditated. Accessed 13 Jan. 2026.
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