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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Concerns of fear growing in migrant communities Mora said this issue runs deep for him and others who work in immigration law.—
Noe Padilla,
IndyStar,
23 July 2025
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Lean Into Peer Support A mental obstacle holding leaders back is avoiding support or peer groups out of fear of sharing ideas.—
Expert Panel®,
Forbes.com,
22 July 2025
Noun
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As the animals have become more common and occasionally prey on or attack pets, public concerns about coyotes attacking people, especially children, have increased.—
Stephen Underwood,
Hartford Courant,
14 July 2025
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In seconds, content appears without shipping or physical storage concerns.—
Vikrant Shaurya,
Forbes.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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The details for Alphabet will be necessary, as the stock has been held back by worries that artificial intelligence (AI) will disrupt their search business.—
Bill Stone,
Forbes.com,
20 July 2025
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There are also worries internally that Skydance Media, which is expected to acquire Paramount in weeks to come, tilts more conservative in its political views.—
Brian Steinberg,
Variety,
18 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 25 Jul. 2025.
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