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
This new tool, known as minimal, versatile genetic perturbation technology (mvGPT), combines the powers of gene editing, activation, and repression into a single, compact system.
—
William A. Haseltine, Forbes, 24 Jan. 2025
That perturbation becomes much more complicated when many large particles are released at once, each with its own wake that affects its neighbors.
—Jennifer Ouellette, Ars Technica, 21 Jan. 2025
Advantages of donor spin qubits Donor spin qubits, the focus of this project, offer greater stability against environmental perturbations than other qubit types, such as those found in superconducting circuits.
—Kaif Shaikh, Interesting Engineering, 10 Jan. 2025
In another breakthrough, researchers built an ultra-sensitive microphone informed by spider silk, which vibrates with the subtle perturbations of sound waves moving through the air.
—Carlyn Kranking, Smithsonian Magazine, 31 Dec. 2024
See All Example Sentences for perturbation
William A. Haseltine, Forbes, 24 Jan. 2025
That perturbation becomes much more complicated when many large particles are released at once, each with its own wake that affects its neighbors.
—Jennifer Ouellette, Ars Technica, 21 Jan. 2025
Advantages of donor spin qubits Donor spin qubits, the focus of this project, offer greater stability against environmental perturbations than other qubit types, such as those found in superconducting circuits.
—Kaif Shaikh, Interesting Engineering, 10 Jan. 2025
In another breakthrough, researchers built an ultra-sensitive microphone informed by spider silk, which vibrates with the subtle perturbations of sound waves moving through the air.
—Carlyn Kranking, Smithsonian Magazine, 31 Dec. 2024
See All Example Sentences for perturbation
Recent Examples of Synonyms for perturbation
Noun
-
The Albanian people deserve free elections, not another manipulated outcome enforced through fear and political imprisonment.—
Beth Bailey,
FOXNews.com,
10 May 2025
-
Krystal Sieben took her children to a horse ranch and watched as her 8-year-old son with autism, racked with fear, was on the verge of tears.—
Talia McWright,
Twin Cities,
10 May 2025
Noun
-
Got thoughts, questions, ideas, concerns, compliments or maybe even some recs for me?—
Brian Truitt,
USA Today,
17 May 2025
-
Intercontinental ballistic missiles from China, Russia, Iran and North Korea—the latter two of which have 10 or fewer but projected to have dozens by 2035—spark concern due to their incredible range, potentially allowing other nations to strike from the other side of the planet.—
Peter Aitken,
MSNBC Newsweek,
16 May 2025
Noun
-
Margin anxiety nonetheless prompted HF Sinclair to pause what had been a budding streak of annual dividend hikes since a little before the corporate merger.—
Brett Owens,
Forbes.com,
18 May 2025
-
As reported by First Post, Poland is holding a presidential election against a backdrop of growing security concerns, fueled by the ongoing war in neighboring Ukraine and anxiety over a potential U.S. retreat from European defense commitments under President Donald Trump.—
Emma Marsden,
MSNBC Newsweek,
18 May 2025
Noun
-
The letter is a sign of growing ties between religious and AI safety groups, which share some of the same worries.—
Billy Perrigo,
Time,
21 May 2025
-
Treasury yields and the value of the U.S. dollar held relatively stable after a brief jolt Monday morning when Moody’s Ratings said the U.S. government no longer deserves a top-tier credit rating because of worries about its spiraling debt.—
Stan Choe,
Los Angeles Times,
20 May 2025
Noun
-
The concept has sparked controversy, unease, amazement and confusion.—
Elizabeth Weise,
USA Today,
18 May 2025
-
What does this say about our current unease with the political system?—
Michael Schneider,
Variety,
16 May 2025
Cite this Entry
“Perturbation.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturbation. Accessed 25 May. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share