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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Eyes wide, panting near panic, Foster perfectly captures the audience's own fear of being alone in the dark with a monster.—
Darren Franich,
Entertainment Weekly,
15 Mar. 2026
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Iran’s neighbors, particularly Turkey and Iraq, are preparing contingency plans including border fortifications and refugee shelters amid fears of a potential crisis.—
Sam McNeil,
Los Angeles Times,
15 Mar. 2026
Noun
-
Federal officers have used administrative warrants to do so, raising concerns that constitutional protections are being skirted.—
Arkansas Online,
Arkansas Online,
19 Mar. 2026
-
The new legislation attempts to address some of those concerns.—
Noelle Harff,
San Diego Union-Tribune,
19 Mar. 2026
Noun
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The president is fighting against historical headwinds for the party in power and, like President Joe Biden before him, is navigating voter anxiety about the cost of living in America.—
David Sivak,
The Washington Examiner,
16 Mar. 2026
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In a year where anxiety over studio contraction and the rise of artificial intelligence often consumed the industry, both films gave Hollywood fresh hope.—
Arkansas Online,
Arkansas Online,
16 Mar. 2026
Noun
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Another couple moved their entire wedding into a massive underground garage, where hundreds of celebrants could party worry-free.—
Michael M. Rosen,
The Washington Examiner,
13 Mar. 2026
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So there was just a lot of worry about whether or not these would continue to be positioned correctly in the market.—
Joel Feder,
The Drive,
12 Mar. 2026
Noun
-
Mann’s unease might have had deeper roots.—
Alex Ross,
New Yorker,
14 Mar. 2026
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In an unlikely collaboration, Google and Tesla are paying attention to Americans’ unease and sentiment.—
Jacqueline Munis,
Fortune,
12 Mar. 2026
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 19 Mar. 2026.
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