PERTURB Synonyms: 90 Similar and Opposite Words

Q: How does the verb 'perturb' contrast with its synonyms?

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

Q: In what contexts can 'agitate' take the place of 'perturb'?

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

Q: When would 'discompose' be a good substitute for 'perturb'?

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

Q: When is 'disquiet' a more appropriate choice than 'perturb'?

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

Q: When can 'disturb' be used instead of 'perturb'?

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

Q: Where would 'fluster' be a reasonable alternative to 'perturb'?

The words fluster and perturb can be used in similar contexts, but fluster suggests bewildered agitation. // his declaration of love completely flustered her

Q: When might 'upset' be a better fit than 'perturb'?

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

perturb

verb

pər-ˈtərb

Definition of perturb

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

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How does the verb perturb contrast with its synonyms?

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

In what contexts can agitate take the place of perturb?

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

When would discompose be a good substitute for perturb?

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

When is disquiet a more appropriate choice than perturb?

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

When can disturb be used instead of perturb?

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

Where would fluster be a reasonable alternative to perturb?

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

his declaration of love completely flustered her

When might upset be a better fit than perturb?

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

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 perturb Trump’s executive order perturbed many in the architecture profession when it was issued last year. — Oscar Holland, CNN Money, 12 June 2026 Some users were perturbed by Obuzic’s stories. — Heidi Blake, New Yorker, 8 June 2026 Brunson was clearly perturbed by the sound of his friend chewing while in front of a microphone. — James L. Edwards Iii, New York Times, 3 June 2026 However, some users are perturbed by the new home screen. — Scharon Harding, ArsTechnica, 27 May 2026 See All Example Sentences for perturb

Recent Examples of Synonyms for perturb

Verb

Out of competition The world of elite sports is taken to disturbing new heights full of brutality and painful ambition in the new film from Nikias Chryssos (The Bunker, Rave On, A Pure Place).

— Georg Szalai, HollywoodReporter, 29 July 2026
When walking down the charming Main Street, you won't be disturbed by honking or traffic since the island has banned cars since 1898.

— Kathleen Wong, USA Today, 29 July 2026

Definition of disturb

Verb

Knight brought both belts into the ring, distracting the referee by throwing the world title in the ring.

— Alfred Konuwa, Forbes.com, 27 July 2026
In the context of tens of thousands of DPS students who aren’t making gains quickly enough to ever meet proficiency levels, such fanfare is essentially distracting braggadocio.

— Elaine Gantz Berman, Denver Post, 27 July 2026

Definition of distract

Verb

Here’s what should alarm anyone who cares about process, not just outcomes.

— A.J. Russo, Baltimore Sun, 26 July 2026
The incident has alarmed the world, but perhaps no one more so than AI safety experts who have warning about these kinds of dangers for years and urging companies and governments to adopt more safeguards.

— Beatrice Nolan, Fortune, 25 July 2026

Definition of alarm

Verb

Mint Julep Experiences has built its business around making those trips easy, and the new Buffalo Bus gives travelers a straightforward way to visit one of Kentucky's most famous distilleries without having to worry about logistics.

— Emily Price, Forbes.com, 30 July 2026
What’s more, the property’s Pooch Program offers dog sitters and walkers (for a fee) as part of its concierge service, so pet parents can enjoy everything the iconic hotel has to offer without worrying about what to do with their pup.

— Rebecca R. Norris, USA Today, 29 July 2026

Definition of worry

Verb

Baldur is more circumspect, irked at having temporarily lost his boat in the mishap, and unsettled by Helge’s teasing manner, which could be interpreted as either adversarial or flirtatious.

— Dennis Harvey, Variety, 26 July 2026
Rents and homelessness are at all-time highs, subways are unsettled, deodorant is locked up.

— Ryder Kessler, New York Daily News, 26 July 2026

Definition of unsettle

Verb

According to the complaint, Grigsby attempted to tell Martinez that concerns about a defense attorney’s performance should be directed to supervisors rather than discussed in open court.

— Ben Wheeler, Kansas City Star, 29 July 2026
These remarks come after HeatWorld reported that the sisters have been concerned about their safety, with tensions rising after Eugenie was recently heckled by a man making comments about her father in March.

— Lizzie Lanuza, StyleCaster, 29 July 2026

Definition of concern

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pertness

perturb

perturbable

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“Perturb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturb. Accessed 1 Aug. 2026.

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Synonyms of perturb

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