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
-
An infant’s accidental exposure to an infected child can mean serious illness, brain swelling and sometimes death.—
Orlando Sentinel,
The Orlando Sentinel,
29 Apr. 2026
-
An infant’s accidental exposure to an infected child can mean serious illness, brain swelling and sometimes death.—
Sun Sentinel Editorial Board,
Sun Sentinel,
28 Apr. 2026
Adjective
-
Expect impromptu plans with friends or family and little side quests that end up being the highlight of your week.—
Steph Koyfman,
Condé Nast Traveler,
29 Apr. 2026
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Other quirky clips included her impromptu bouquet toss and high heels nearly breaking.—
Ashlyn Robinette,
PEOPLE,
28 Apr. 2026
Adjective
-
This is in part attributable to his fully improvisational approach to song construction, writing nothing down.—
New York Times,
New York Times,
28 Apr. 2026
-
And the six actors in this farcical rom-com are united in their performance style and improvisational tone.—
Pam Kragen,
San Diego Union-Tribune,
26 Apr. 2026
Adjective
-
Mizrak can launch from regular runways or from improvised sites.—
Sujita Sinha,
Interesting Engineering,
1 May 2026
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During the last decade, Parker’s routine has fostered one of the country’s most compelling new music scenes, where players from diverse backgrounds and demographics have converged to create wildly accessible improvised music.—
Grayson Haver Currin,
Pitchfork,
30 Apr. 2026
Cite this Entry
“Unpremeditated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unpremeditated. Accessed 3 May. 2026.
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