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
Advantages of donor spin qubits Donor spin qubits, the focus of this project, offer greater stability against environmental perturbations than other qubit types, such as those found in superconducting circuits.
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Kaif Shaikh, Interesting Engineering, 10 Jan. 2025
In another breakthrough, researchers built an ultra-sensitive microphone informed by spider silk, which vibrates with the subtle perturbations of sound waves moving through the air.
—Carlyn Kranking, Smithsonian Magazine, 31 Dec. 2024
These frameworks excel in robustness, handling perturbations, jumping, traversing deformable surfaces, and recovering from falls.
—Jijo Malayil, Interesting Engineering, 16 Dec. 2024
The rise of quantum sensors, which can detect delicate perturbations in the environment at the atomic level, promises even greater sensitivity and accuracy.
—IEEE Spectrum, 16 Dec. 2024
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
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Hayes said he’s had to take a leave of absence from his job over the fear of what might happen to his family.—
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The rare encounter highlights accelerating efforts by two longtime regional rivals to stabilize relations amid mounting fears of broader conflict, especially with tensions flaring across Gaza, Syria, and the Red Sea, as Washington's pressure grows on Iran's proxy in the Middle East.—
Noun
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That’s a major concern for media as advertisers review budgets.—
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Now, in the case of the United States, there’s no concern whatsoever with what anybody thinks on the outside.—
Noun
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Consumer sentiment fell sharply in April, marking the fourth consecutive month of declines, as an intensifying trade war fueled anxiety over American jobs and rising inflation.—
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For the next year, Munn battled postpartum anxiety.—
Noun
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This is important because lower yields can help the economy and are the typical bond reaction during worries about economic growth.—
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Bits and pieces to friends, tender moments and worries to others.—
Noun
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Even when upheaval isn’t imminent within your organization, broad societal and economic shifts can create a sense of unease, as external stressors inevitably impact workplace morale.—
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What is new, however, is the atmosphere of unease ushered in by Donald Trump’s return to power.—
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 23 Apr. 2025.
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