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
There were perturbations in levels of omega-6 fatty acid, homocysteine, total protein, bilirubin and a host of other things.
—
Bruce Y. Lee, Forbes.com, 27 Apr. 2025
However, as the comet recedes from the sun, planetary perturbations will make the orbit even more elongated, so the next return to perihelion (of whatever of it is that is still left of it) will be about 600,000 years hence.
—Joe Rao, Space.com, 27 Jan. 2025
Additionally, the multiplex array generates RNAs customized for various types of genetic perturbation.
—William A. Haseltine, Forbes, 24 Jan. 2025
This new tool, known as minimal, versatile genetic perturbation technology (mvGPT), combines the powers of gene editing, activation, and repression into a single, compact system.
—William A. Haseltine, Forbes, 24 Jan. 2025
See All Example Sentences for perturbation
Bruce Y. Lee, Forbes.com, 27 Apr. 2025
However, as the comet recedes from the sun, planetary perturbations will make the orbit even more elongated, so the next return to perihelion (of whatever of it is that is still left of it) will be about 600,000 years hence.
—Joe Rao, Space.com, 27 Jan. 2025
Additionally, the multiplex array generates RNAs customized for various types of genetic perturbation.
—William A. Haseltine, Forbes, 24 Jan. 2025
This new tool, known as minimal, versatile genetic perturbation technology (mvGPT), combines the powers of gene editing, activation, and repression into a single, compact system.
—William A. Haseltine, Forbes, 24 Jan. 2025
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
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And any fear—and hence bigger discounts—caused by overwrought debt worries just makes our opportunity even sweeter.—
Michael Foster,
Forbes.com,
28 June 2025
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The fear, in fact, is that our continual need to standardize will modernize ourselves out of existence.—
Sara Novak,
Discover Magazine,
28 June 2025
Noun
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This has increased concern over escalating rhetoric and the possibility that individual actors will feel compelled to take matters into their own hands.—
Odette Yousef,
NPR,
21 June 2025
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While the conflict is concerning, radioactivity as a result of the military strikes is not a top concern, nuclear experts say.—
Julia Jacobo,
ABC News,
21 June 2025
Noun
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Too much attention, often understandably driven by shareholder and financial analyst anxiety, is being placed on the lagging indicators of current performance.—
Paul Laudicina,
Forbes.com,
23 June 2025
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An earlier 2019 study in Aerospace Medicine and Human Performance found turbulence, unfamiliar aircraft noises, and the threat of terror attacks were among the top anxiety triggers.—
Soo Kim,
MSNBC Newsweek,
23 June 2025
Noun
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The fact Ishiba’s LDP faces an election on July 20 only heightens the BOJ’s worries about the political establishment striking back.—
William Pesek,
Forbes.com,
26 June 2025
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But plenty of Republicans have expressed worries about the provision as well, imperiling its passage.—
Andrew R. Chow,
Time,
25 June 2025
Noun
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Despite the stark beauty in one of the state's most productive agricultural regions, there's a sense of unease among the community's leaders as Congress debates a budget bill that could radically reshape Medicaid, the government health program for low-income people.—
John Daley,
NPR,
22 June 2025
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Then again, the Justices’ unease about whether children and adolescents can genuinely consent to life-altering treatments would be lacking in the case of adults.—
Jeannie Suk Gersen,
New Yorker,
20 June 2025
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 2 Jul. 2025.
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