Thesaurus.com
Dictionary.com
Definitions

perturb

[per-turb] / pərˈtɜrb /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Some possible treatments have looked to block the origin of the itch to relieve the sensation, Gualdani said, “but it seems if we perturb this pathway, we also perturb eventual itch relief.”

From The Wall Street Journal ● Feb. 21, 2026

Using this epigenomic editing technology, the researchers can "perturb" candidate regions to see whether any tested genomic regions can impact downstream gene expression.

From Science Daily ● Sep. 22, 2023

Maybe overactive immune cells continue to perturb the nervous system and nearby blood vessels.

From Scientific American ● Feb. 14, 2023

"There was no physical violence or rise in thefts, but they perturb people who are from here," he says, adding: "From now on it's zero tolerance."

From BBC ● Mar. 28, 2022

The storm, and the resulting minor earth­quakes, did not perturb the meerkats in the least.

From "Life of Pi" by Yann Martel

The main problem with room temperature is thermal noise, which perturbs delicate quantum dynamics.

From Science Daily ● Feb. 14, 2024

Perhaps this marks the beginning of a pop culture reconsideration of America’s role in the war, adding nuance that perturbs the accepted heroic narrative.

From Seattle Times ● Dec. 20, 2022

Alade Adeleke: It perturbs the coastal ecosystem, the water system changes, the fisheries is affected.

From Scientific American ● Dec. 17, 2021

In his theory, the extra snow is creating a dense, cold air mass over northern Asia in the late autumn, setting off a complex chain of cause and effect that ultimately perturbs the vortex.

From New York Times ● Jan. 24, 2011

But I put aside this reflection as soon as may be; it perturbs me fruitlessly. 

From The Private Papers of Henry Ryecroft by George Gissing

Not that McIlroy seemed perturbed as the wind gusted beyond 30mph across the 7,440-yard track.

From BBC ● Jun. 18, 2026

“I’m a little perturbed, and I’m a little disappointed, because you have someone who is trying to work with industry, who is trying to get facts and data,” he said.

From Los Angeles Times ● Apr. 23, 2026

“I can’t even believe it,” a visibly perturbed Putin said on camera.

From The Wall Street Journal ● Dec. 19, 2025

More curiously, even though U.S. high-yield spreads are at post-1998 lows, few investors seemed to be unduly perturbed here.

From MarketWatch ● Dec. 18, 2025

When he first arrived, he was perturbed by having to preach in the corridor, which he found inimical to the contemplation of God.

From "Long Walk to Freedom" by Nelson Mandela

“It’s perturbing and upsetting,” said Mark Bookbinder, a 68-year-old engineer who lives in Cincinnati.

From The Wall Street Journal ● Oct. 15, 2025

It’s a perturbing relationship; I feel as though my continued shunning of organized religion has in a sense estranged me from the memory of some very important people.

From Salon ● Mar. 31, 2024

We now show that perturbing the water layer around the protein, even very slightly, has dramatic effects on collagen assembly.'

From Science Daily ● Mar. 8, 2024

This is because the smoke has disrupted this dynamic growth pattern, as opposed to just perturbing a more stable system like an adult.

From Slate ● Jun. 8, 2023

Like the photograph of the spider-dancer, Mrs. Richardson found this perturbing but strangely compelling.

From "Little Fires Everywhere" by Celeste Ng


Vocabulary lists containing perturb

Random Word

Spin the wheel and learn a new word!

Get a word

Vocabulary.com logo
by dictionary.com

Join 14,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training