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
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
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
-
Claims included being penalized for taking medical leave, instances of racial microaggressions and fear of retribution for raising complaints.—
Skyler Caruso,
People.com,
22 July 2025
Noun
-
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
-
In seconds, content appears without shipping or physical storage concerns.—
Vikrant Shaurya,
Forbes.com,
14 July 2025
Noun
-
Driving this new trend, brokers and builders agree, is a potent mix of global anxiety and cultural influence.—
Abby Montanez,
Robb Report,
29 July 2025
-
One parent who spoke to IndyStar said that their rising third grader is dealing with stress and anxiety over passing the test, especially while trying to get the proper help for their severe dyslexia.—
Caroline Beck,
IndyStar,
29 July 2025
Noun
-
Panicked finds Maron returning to familiar subjects, treating them like beloved worry dolls of comedic setups.—
Kathryn VanArendonk,
Vulture,
1 Aug. 2025
-
Some lawmakers have said worries over U.S. stockpiles running low don't justify cutting off Ukraine's weapons.—
Cybele Mayes-Osterman,
USA Today,
1 Aug. 2025
Noun
-
Dave Bautista gives a quietly mesmerizing performance as Leonard—a hulking figure whose soft-spoken gentleness only heightens the unease—joined by a scruffily unnerving Rupert Grint and wrenching turns from Ben Aldridge and Jonathan Groff as the parents.—
Samantha Bergeson,
IndieWire,
29 July 2025
-
Yet my unease must be a tiny fraction of that of men from either side on the ground that night.—
Edward Lotterman,
Twin Cities,
27 July 2025
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 5 Aug. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share