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 next

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

Antonyms & Near Antonyms

Synonym Chooser

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 Demi herself looks perturbed but moves on quickly. —

Rachel Handler, Vulture, 16 Mar. 2026 But on the other hand, Amir and Jahan do, in fact, act strangely enough — including walking around at night, and humming in cartoonishly sinister ways — that even the most rational and accepting observers would be rightly perturbed. —

Siddhant Adlakha, Variety, 15 Mar. 2026 While happy with the win, head coach Tommy Lloyd seemed perturbed by the lack of Arizona fans in the stands. —

Blair Kerkhoff, Kansas City Star, 13 Mar. 2026 At a bar not far from Aghayeva’s dorm, a music-education scholar was perturbed, despite having been born in California. —

Jane Bua, New Yorker, 28 Feb. 2026 See All Example Sentences for perturb

Recent Examples of Synonyms for perturb

Verb

Ty Segall exemplifies the modern indie rock experimentalist, constantly trying out new styles and attitudes and usually landing on some intense neopsychedelic sounds that can both comfort and disturb.

— Christopher Arnott, Hartford Courant, 25 Apr. 2026
The worms thrash and move erratically with a snake-like motion that disturbs the topsoil.

— Maria Braganini, CBS News, 25 Apr. 2026

Definition of disturb

Browse Nearby Words

pertness

perturb

perturbable

See all Nearby Words

Cite this Entry

Style

“Perturb.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/perturb. Accessed 2 May. 2026.

Copy Citation

Synonyms of perturb

verb

Synonym Chooser

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster on perturb

More from Merriam-Webster

Word of the Day

exasperate

Popular in Grammar & Usage

More Commonly Mispronounced Words

5 Verbal Slip Ups and Language Mistakes

Is that lie 'bald-faced' or 'bold-faced'?

The Difference Between 'i.e.' and 'e.g.'

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Other Words for Beautiful

The Words of the Week - May 1

Was 'nervous Nellie' a Real Person?

12 Lovely and Unusual Words for the Natural World

Popular

More Commonly Mispronounced Words

The Longest Long Words List

9 Other Words for Beautiful

Games & Quizzes