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
By comparing the forward and backward series of operations, the new algorithm can see the effects of this perturbation throughout the molecule and so model the molecule as a whole.
—
IEEE Spectrum, 21 Oct. 2025
But otherwise the climate, through its perturbations, has maintained conditions conducive to animal life for nearly a half-billion years.
—Peter Brannen, Quanta Magazine, 15 Sep. 2025
Quantum machines of today are prone to errors, have a restricted size range, and are sensitive to perturbations in their surrounding environment.
—Chuck Brooks, Forbes.com, 29 Aug. 2025
To identify the quantum states of a particle, scientists need to isolate it from perturbations arising from its surroundings.
—Ameya Paleja, Interesting Engineering, 8 Aug. 2025
See All Example Sentences for perturbation
IEEE Spectrum, 21 Oct. 2025
But otherwise the climate, through its perturbations, has maintained conditions conducive to animal life for nearly a half-billion years.
—Peter Brannen, Quanta Magazine, 15 Sep. 2025
Quantum machines of today are prone to errors, have a restricted size range, and are sensitive to perturbations in their surrounding environment.
—Chuck Brooks, Forbes.com, 29 Aug. 2025
To identify the quantum states of a particle, scientists need to isolate it from perturbations arising from its surroundings.
—Ameya Paleja, Interesting Engineering, 8 Aug. 2025
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
-
Little signs of humanity appeared in every direction, quietly defusing what could have become a disaster instigated by fear.—
Antonio Ferme,
Variety,
14 June 2026
-
The event was halted after an hour due to fears about her safety, which distressingly encapsulates a tension that the trans Mayan artist has navigated for years.—
Eugenie Brinkema,
ARTnews.com,
14 June 2026
Noun
-
Disney is betting that this universal concern will drive audiences to the film.—
Cerys Davies,
Los Angeles Times,
18 June 2026
-
From Lowell to Los Angeles, there are coast to coast concerns about what these data centers can do to the environment.—
David Wade,
CBS News,
18 June 2026
Noun
-
For young children, anxiety might show up as physical complaints like tummy aches or headaches, while older kids may feel nervous and struggle to concentrate.—
Kimberly Zapata,
Parents,
14 June 2026
-
Tasks can include smelling dangerously high or low glucose levels, smelling mood swings, anxiety and depression, smelling an impending seizure and many other tasks.—
Jeanne Phillips,
Mercury News,
14 June 2026
Noun
-
Wood’s career was derailed by injuries, leading to worries of hard throwers being susceptible to blowing out pitching arms.—
ABC News,
ABC News,
18 June 2026
-
The New Jersey Girl and its parent company, The Local Girl Media Group, live on addressing public worries; this one just happened to have stakes for a broader population.—
Justin Birnbaum,
Sportico.com,
18 June 2026
Noun
-
The remarks reflected growing unease across Latin America over Washington’s increasingly expansive definition of cartel warfare.—
Antonio María Delgado,
Miami Herald,
18 June 2026
-
As geopolitical unease intensified last year, central banks and retail investors worldwide piled into gold.—
Angelica Ang,
Fortune,
17 June 2026
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 20 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
