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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Examples of perturbation in a Sentence
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His research focuses on how marine ecosystems respond to natural and anthropogenic perturbations.
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Graham A. J. Worthy, Scientific American, 1 Oct. 2018
The researchers realized that quakes sometimes didn’t leave telltale perturbations.
—IEEE Spectrum, 22 June 2021
Because of these perturbations, an object behind the lensing galaxy is magnified, although often in a somewhat warped way.
—Elizabeth Rayne, Ars Technica, 19 Dec. 2023
Abrupt changes in demand signal, design shifts and funding perturbations make waterfront endeavors far more challenging.
—Craig Hooper, Forbes, 20 Feb. 2024
See all Example Sentences for perturbation 
Graham A. J. Worthy, Scientific American, 1 Oct. 2018
The researchers realized that quakes sometimes didn’t leave telltale perturbations.
—IEEE Spectrum, 22 June 2021
Because of these perturbations, an object behind the lensing galaxy is magnified, although often in a somewhat warped way.
—Elizabeth Rayne, Ars Technica, 19 Dec. 2023
Abrupt changes in demand signal, design shifts and funding perturbations make waterfront endeavors far more challenging.
—Craig Hooper, Forbes, 20 Feb. 2024
See all Example Sentences for perturbation
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'perturbation.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 19 Sep. 2024.
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