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
Tahoe Therapeutics and the Arc Institute have recently partnered in the launch of the Arc Virtual Cell Atlas: the most comprehensive and diverse public database of single-cell level transcriptomic data across a wide range of perturbations.
—
Amelia Palermo, Forbes.com, 25 Apr. 2025
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
See All Example Sentences for perturbation
Amelia Palermo, Forbes.com, 25 Apr. 2025
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
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
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Rather than basing trades on company fundamentals or earnings outlooks, many investors appear to be reacting to market trends and peer activity — a pattern commonly associated with FOMO, or fear of missing out.—
Spriha Srivastava,
CNBC,
10 July 2025
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These attempts challenge long-standing norms of academic freedom—that is, the ability of a teacher or researcher in higher education to investigate and discuss subjects without fear of political interference.—
Matt Motta,
Scientific American,
10 July 2025
Noun
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Those investments have created concern in recent years for some stakeholders.—
Sacbee.com,
Sacbee.com,
14 July 2025
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Privacy and security concerns with smart thermostats These programs also raise important data privacy concerns.—
Kurt Knutsson,
FOXNews.com,
14 July 2025
Noun
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This can cause unnecessary anxiety and concern for the dog.—
Alyce Collins,
MSNBC Newsweek,
15 July 2025
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This is the current situation: Certainly, a trend of appreciating precious metals is at work, but there is also the theme of ‘strategic and critical metals’ anxiety pushing platinum.—
Clem Chambers,
Forbes.com,
15 July 2025
Noun
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Their visits to the ophthalmologist are now every six months, but Maggie admits the worry never quite fades.—
Ashley Vega,
People.com,
7 July 2025
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Meanwhile, there was hand-wringing in the NASCAR garage over headlines about high crime and worries about whether the Cup Series cars would be able to have a good show on such a narrow course.—
Jeff Gluck,
New York Times,
6 July 2025
Noun
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Other countries were still expressing unease, however.—
Brit Morse,
Fortune,
6 July 2025
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But progress on this front has been slow, most likely due to China’s increasing unease with Iranian foreign policy and doubts about its long-term stability.—
Timothy Nerozzi,
The Washington Examiner,
22 June 2025
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 21 Jul. 2025.
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