as in fear
an uneasy state of mind usually over the possibility of an anticipated misfortune or trouble
in her perturbation she kept calling her son, a freshman, to see if everything was all right at college
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Example Sentences
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Recent Examples of perturbation
But otherwise the climate, through its perturbations, has maintained conditions conducive to animal life for nearly a half-billion years.
—
Peter Brannen, Quanta Magazine, 15 Sep. 2025
Quantum machines of today are prone to errors, have a restricted size range, and are sensitive to perturbations in their surrounding environment.
—Chuck Brooks, Forbes.com, 29 Aug. 2025
To identify the quantum states of a particle, scientists need to isolate it from perturbations arising from its surroundings.
—Ameya Paleja, Interesting Engineering, 8 Aug. 2025
Post-hoc methods like Shap and LIME, though well-used, have challenges in efficacy, particularly because of the quality of explanations and the influence of perturbation on the final explanations.
—Vinay Kumar Sankarapu, Forbes, 4 Oct. 2024
See All Example Sentences for perturbation
Peter Brannen, Quanta Magazine, 15 Sep. 2025
Quantum machines of today are prone to errors, have a restricted size range, and are sensitive to perturbations in their surrounding environment.
—Chuck Brooks, Forbes.com, 29 Aug. 2025
To identify the quantum states of a particle, scientists need to isolate it from perturbations arising from its surroundings.
—Ameya Paleja, Interesting Engineering, 8 Aug. 2025
Post-hoc methods like Shap and LIME, though well-used, have challenges in efficacy, particularly because of the quality of explanations and the influence of perturbation on the final explanations.
—Vinay Kumar Sankarapu, Forbes, 4 Oct. 2024
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
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Her work plainly belongs to this lineage of witchy writers, women whose deliciously corrupted scenes of home and hearth produce fear and wild laughter at once.—
Kristen Roupenian,
New Yorker,
6 Apr. 2026
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This new strategy recognized that neighborhood fear is not just driven by crimes; it is also driven by neighborhood disorder.—
Chicago Tribune,
Chicago Tribune,
5 Apr. 2026
Noun
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Clicking into the title will give you even more information, including a blurb about what parents need to know, a breakdown of potential concerns and positive qualities about the book, and reviews from kids.—
Cody Godwin,
USA Today,
2 Apr. 2026
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Gables leaders have raised concerns during city meetings about the potential impact.—
Michelle Marchante,
Miami Herald,
2 Apr. 2026
Noun
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Amid record anxiety about the future of work—and growing warnings about the potential erosion of white-collar careers—one unlikely field may be getting the last laugh.—
Preston Fore,
Fortune,
5 Apr. 2026
-
Drone use is heavily limited by battery anxiety, but without a battery the use cases really open up.—
Omar Kardoudi
April 05,
New Atlas,
5 Apr. 2026
Noun
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Some of Bondi's allies believe that the lack of prosecutions is attributable to Blanche, who has not pushed them too hard amid political concerns and worries about his future after his Justice Department career.—
Sarah N. Lynch,
CBS News,
2 Apr. 2026
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The electric carmaker last week reported its first decline in annual profit since 2022, but worries over rising gasoline prices has boosted its business.—
Andrew Edgecliffe-Johnson,
semafor.com,
2 Apr. 2026
Noun
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But that same inspiration has sometimes drawn questions — and unease — from potential buyers.—
Jacqueline Charles,
Miami Herald,
3 Apr. 2026
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But in the shadows, amid growing unease at the bloodthirsty actions of the realm’s merciless Mad King, dissenters from his inner circle anxiously advance a treasonous plot.—
Ryan Brennan
April 3,
Charlotte Observer,
3 Apr. 2026
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 7 Apr. 2026.
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