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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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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Rabbi Irwin Kula, the panel’s moderator, asked the participants to describe their biggest fear or nightmare.—
Eyal Press,
New Yorker,
30 Mar. 2026
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Sacramento community advocates are sounding the alarm over fears of deep city budget cuts that could impact public safety.—
Steve Large,
CBS News,
30 Mar. 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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While 88% of companies report regular AI use, according to McKinsey, adoption may be stalling as a result of employees’ anxiety around the technology displacing them from their jobs.—
Sasha Rogelberg,
Fortune,
29 Mar. 2026
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Noise pollution is a real health issue linked to sleep disorders, elevated blood pressure and anxiety.—
Kim Komando The Kim Komando Show,
FOXNews.com,
28 Mar. 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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This is a novel about Jewish bodies and how people respond to them, the toll of obsession, and the conflicting currents of desire and unease that shake and startle a deep romantic fixation.—
Daniel Felsenthal,
Vulture,
26 Mar. 2026
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The all-female directing team (led by producing director Weronika Tofilska, who helms half the season) take evident pleasure in effectively ramping up Rachel’s unease with jump scares and desolate, depopulated landscapes.—
Alison Herman,
Variety,
26 Mar. 2026
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 3 Apr. 2026.
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