perturb

verb

per·turb pər-ˈtərb How to pronounce perturb (audio)

perturbed; perturbing; perturbs

transitive verb

: to cause to be worried or upset : disquiet, unsettle

Half way down the next flight, she smiled to think that a char-woman's stare should so perturb her.

Edith Wharton

The crowd didn't seem to perturb them in the slightest …

Nick Hornby

: to throw into confusion : disorder

perturbing the social order

: to cause to experience a perturbation see perturbation sense 2

Newton finally realized that the planetary orbits would be only approximate ellipses, for the mutual attractions of the planets would perturb their paths.

Owen Gingerich

perturbable

pər-ˈtər-bə-bəl How to pronounce perturb (audio)

adjective

Example Sentences

It perturbed him that his son was thinking about leaving school. the caller's strange remark perturbed me enough to keep me awake that night

Recent Examples on the Web None of this seemed to perturb the protesters, who’ve also targeted border crossings in Manitoba and Alberta, as well as Sarnia in Ontario.

Washington Post, 10 Feb. 2022 Andrillon: These slow waves are thought to be associated with pauses in the activity of the individual neurons, which could perturb neural processes and lead to lapses of attention.

Karen Hopkin, Scientific American, 15 Sep. 2021 The one-minute teaser opens on Sissy St. Claire holding forth on stage against a glittery fuchsia backdrop as increasingly sinister images flash and perturb the 1980s vibe.

Anna Marie De La Fuente, Variety, 19 Jan. 2022 For example, manipulations that knock out a microRNA gene in MSCs might also disrupt the function of those stem cells and perturb their exosome output to an extent that far surpasses just the loss of that single microRNA as a cargo molecule.

Michael Eisenstein, Scientific American, 17 June 2020 Upper-level winds are weak enough so as to not perturb Pamela’s growth, but there is no upper-level high-pressure ridge to enhance Pamela’s outflow.

Washington Post, 12 Oct. 2021 Richard Frye, a pediatric neurologist and autism researcher at the Phoenix Children’s Hospital in Arizona, and his colleagues have found that such factors may also perturb the health of mitochondria in people with autism.

Diana Kwon, Scientific American, 18 June 2021 The more opportunities there are to perturb the parameters of a design, the more potential there is to generate valuable perspective.

James Scapa, Forbes, 28 May 2021 That’s especially true for people with autoimmune diseases and syndromes that perturb the body’s autonomic nervous system, which governs everything from temperature and heartbeat to balance and digestion.

Melissa Healy, Los Angeles Times, 25 Mar. 2021 See More

perturb

verb

as in to disturb

to trouble the mind of; to make uneasy the caller's strange remark perturbed me enough to keep me awake that night

Synonyms & Similar Words

Relevance

disturb
distract
bother
unsettle
alarm
concern
worry
agitate
annoy
anger
unhinge
haunt
derail
upset
distress
irritate
plague
discompose
undo
confuse
disquiet
ail
embarrass
discomfort
exercise
dismay
rattle
aggravate
exasperate
flurry
frazzle
pester
harass
distemper
vex
irk
weird out
discourage
rile
fuss
hagride
bedevil
alarum
disconcert
confound
pique
fluster
freak (out)
bug
chafe
fret
discomfit
faze
get
put off
gall
harry
put out
chivy
dishearten
unnerve
abash
mortify
chivvy
dispirit
grate
nonplus
daunt
discountenance
peeve
shake up
nettle
demoralize
jar

Antonyms & Near Antonyms

soothe
settle
compose
alleviate
calm
quiet
allay
assuage
tranquillize
mollify
pacify
tranquilize
placate
appease
conciliate
propitiate

Synonym Chooser

Some common synonyms of perturb are agitate, discompose, disquiet, disturb, fluster, and upset. While all these words mean "to destroy capacity for collected thought or decisive action," perturb implies deep disturbance of mind and emotions.

perturbed by her husband's strange behavior

Although the words agitate and perturb have much in common, agitate suggests obvious external signs of nervous or emotional excitement.

in his agitated state we could see he was unable to work

While the synonyms discompose and perturb are close in meaning, discompose implies some degree of loss of self-control or self-confidence especially through emotional stress.

discomposed by the loss of his beloved wife

While in some cases nearly identical to perturb, disquiet suggests loss of sense of security or peace of mind.

the disquieting news of factories closing

In some situations, the words disturb and perturb are roughly equivalent. However, disturb implies interference with one's mental processes caused by worry, perplexity, or interruption.

the discrepancy in accounts disturbed me

The words fluster and perturb can be used in similar contexts, but fluster suggests bewildered agitation.

his declaration of love completely flustered her

The meanings of upset and perturb largely overlap; however, upset implies the disturbance of normal or habitual functioning by disappointment, distress, or grief.

the family's constant bickering upsets the youngest child

单词	perturb
释义	perturb verb per·turb pər-ˈtərb perturbed; perturbing; perturbs transitive verb 1 : to cause to be worried or upset : disquiet, unsettle Half way down the next flight, she smiled to think that a char-woman's stare should so perturb her. Edith Wharton The crowd didn't seem to perturb them in the slightest … Nick Hornby 2 : to throw into confusion : disorder perturbing the social order 3 : to cause to experience a perturbation see perturbation sense 2 Newton finally realized that the planetary orbits would be only approximate ellipses, for the mutual attractions of the planets would perturb their paths. Owen Gingerich perturbable pər-ˈtər-bə-bəl adjective Did you know? With its per- prefix, perturb meant originally "thoroughly upset", though today the word has lost most of its intense edge. Perturb and perturbation are often used by scientists, usually when speaking of a change in their data indicating that something has affected some normal process. When someone is referred to as imperturbable, it means he or she manages to remain calm through the most trying experiences. Synonyms agitate ail alarm alarum bother concern derail discomfort discompose dismay disquiet distemper distract distress disturb exercise flurry frazzle freak (out) fuss hagride undo unhinge unsettle upset weird out worry See all Synonyms & Antonyms Example Sentences It perturbed him that his son was thinking about leaving school. the caller's strange remark perturbed me enough to keep me awake that night Recent Examples on the Web None of this seemed to perturb the protesters, who’ve also targeted border crossings in Manitoba and Alberta, as well as Sarnia in Ontario. Washington Post, 10 Feb. 2022 Andrillon: These slow waves are thought to be associated with pauses in the activity of the individual neurons, which could perturb neural processes and lead to lapses of attention. Karen Hopkin, Scientific American, 15 Sep. 2021 The one-minute teaser opens on Sissy St. Claire holding forth on stage against a glittery fuchsia backdrop as increasingly sinister images flash and perturb the 1980s vibe. Anna Marie De La Fuente, Variety, 19 Jan. 2022 For example, manipulations that knock out a microRNA gene in MSCs might also disrupt the function of those stem cells and perturb their exosome output to an extent that far surpasses just the loss of that single microRNA as a cargo molecule. Michael Eisenstein, Scientific American, 17 June 2020 Upper-level winds are weak enough so as to not perturb Pamela’s growth, but there is no upper-level high-pressure ridge to enhance Pamela’s outflow. Washington Post, 12 Oct. 2021 Richard Frye, a pediatric neurologist and autism researcher at the Phoenix Children’s Hospital in Arizona, and his colleagues have found that such factors may also perturb the health of mitochondria in people with autism. Diana Kwon, Scientific American, 18 June 2021 The more opportunities there are to perturb the parameters of a design, the more potential there is to generate valuable perspective. James Scapa, Forbes, 28 May 2021 That’s especially true for people with autoimmune diseases and syndromes that perturb the body’s autonomic nervous system, which governs everything from temperature and heartbeat to balance and digestion. Melissa Healy, Los Angeles Times, 25 Mar. 2021 See More Word History Etymology Middle English, from Middle French perturber, from Latin perturbare to throw into confusion, from per- + turbare to disturb — more at turbid First Known Use 14th century, in the meaning defined at sense 1 Kids Definition perturb verb per·turb pər-ˈtərb perturbed; perturbing : to disturb in mind : trouble greatly perturb verb as in to disturb to trouble the mind of; to make uneasy the caller's strange remark perturbed me enough to keep me awake that night Synonyms & Similar Words Relevance disturb distract bother unsettle alarm concern worry agitate annoy anger unhinge haunt derail upset distress irritate plague discompose undo confuse disquiet ail embarrass discomfort exercise dismay rattle aggravate exasperate flurry frazzle pester harass distemper vex irk weird out discourage rile fuss hagride bedevil alarum disconcert confound pique fluster freak (out) bug chafe fret discomfit faze get put off gall harry put out chivy dishearten unnerve abash mortify chivvy dispirit grate nonplus daunt discountenance peeve shake up nettle demoralize jar Antonyms & Near Antonyms soothe settle compose alleviate calm quiet allay assuage tranquillize mollify pacify tranquilize placate appease conciliate propitiate See More Synonym Chooser Some common synonyms of perturb are agitate, discompose, disquiet, disturb, fluster, and upset. While all these words mean "to destroy capacity for collected thought or decisive action," perturb implies deep disturbance of mind and emotions. perturbed by her husband's strange behavior Although the words agitate and perturb have much in common, agitate suggests obvious external signs of nervous or emotional excitement. in his agitated state we could see he was unable to work While the synonyms discompose and perturb are close in meaning, discompose implies some degree of loss of self-control or self-confidence especially through emotional stress. discomposed by the loss of his beloved wife While in some cases nearly identical to perturb, disquiet suggests loss of sense of security or peace of mind. the disquieting news of factories closing In some situations, the words disturb and perturb are roughly equivalent. However, disturb implies interference with one's mental processes caused by worry, perplexity, or interruption. the discrepancy in accounts disturbed me The words fluster and perturb can be used in similar contexts, but fluster suggests bewildered agitation. his declaration of love completely flustered her The meanings of upset and perturb largely overlap; however, upset implies the disturbance of normal or habitual functioning by disappointment, distress, or grief. the family's constant bickering upsets the youngest child
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perturb

verb

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Synonyms

Example Sentences

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verb

verb

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