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
Equally important is a resilient mindset, one that treats perturbations as inevitable rather than calamitous and resists the urge to overreact.
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Michael J. Mazarr, Foreign Affairs, 6 Dec. 2013
Around 183 million years ago, there was a perturbation in the carbon cycle, along with extreme volcanism that belched out massive amounts of methane, sulfur dioxide, and mercury.
—Elizabeth Rayne, Ars Technica, 28 May 2024
His research focuses on how marine ecosystems respond to natural and anthropogenic perturbations.
—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
See all Example Sentences for perturbation 
Michael J. Mazarr, Foreign Affairs, 6 Dec. 2013
Around 183 million years ago, there was a perturbation in the carbon cycle, along with extreme volcanism that belched out massive amounts of methane, sulfur dioxide, and mercury.
—Elizabeth Rayne, Ars Technica, 28 May 2024
His research focuses on how marine ecosystems respond to natural and anthropogenic perturbations.
—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
See all Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
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Meanwhile, fears are growing that pressure to address the spiraling humanitarian crisis in Gaza will fade as President-elect Donald Trump prepares to take office.Chantal Da Silva, NBC News, 12 Nov. 2024
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The shame and fear from that policy linger on, even generations later.Josh Becker, The Mercury News, 7 Nov. 2024
Noun
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The company has extended its liquidation date to December 15, 2024, and management has raised concerns about the company's ability to continue as a going concern due to insufficient working capital and mandatory liquidation.Quartz Bot, Quartz, 8 Nov. 2024
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However, District 9 Councilmember Pam Foley, who represents the area where the hospital is located, declined to support the deferral request and echoed the concerns over how delays could negatively impact the community.Devan Patel, The Mercury News, 8 Nov. 2024
Noun
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Psychiatric problems — marked anxiety or panic attacks progressing to temporary psychosis and even schizophrenia-like psychotic illness — are presenting more frequently in emergency rooms.Dr. Jerrold B. Leikin, The Mercury News, 12 Nov. 2024
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Climate Denial as a Defense Mechanism Much like a terror management lab experiment – or the onset of the COVID-19 pandemic– natural disasters like hurricanes Helene and Milton trigger death anxiety.Discover Magazine, Discover Magazine, 8 Nov. 2024
Noun
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Professor Ned Foley, the director of the election-law program at Ohio State University, told me that his biggest worry this year was a new deadline of December 16th.The New Yorker, The New Yorker, 5 Nov. 2024
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Election seasons often evoke a mix of emotions, ranging from hope for the future to intense worry over what may come.Luciana Paulise, Forbes, 5 Nov. 2024
Noun
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Voters interviewed at polling sites described going to cast their ballots with a deep sense of unease.Sasha Hupka, The Arizona Republic, 5 Nov. 2024
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Hanan Townshend’s score, with its heavy, rhythmic breathing and ethereal tones, cultivates a constant atmosphere of unease.Scott Roxborough, The Hollywood Reporter, 5 Nov. 2024
Thesaurus Entries Near perturbation
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 21 Nov. 2024.
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