Word.ws English Dictionary

perturb

Syllables: per·turbUK/pəˈtɜːb//pəɹˈtɜɹb/

perturb verb: to cause (something) to be physically disordered or disturbed; to cause confusion.

perturb: water drop in water in grayscale photography
Photo by Omar Gattis on Unsplash

Verb

perturb (third-person singular simple present perturbs, present participle perturbing, simple past and past participle perturbed)

  1. (transitive) To cause (something) to be physically disordered or disturbed; to cause confusion.
    • Mary therefore the more knaue art thou I ſay / That perturbeſt the worde of god I ſay […]a. 1521 (date written), [John Heywood], A Mery Play betwene the Pardoner and the Frere, the Curate and Neybour Pratte, London: […] Wyllyam Rastell, published 15 April 1533 (Gregorian calendar)...
    • The Nobles ſtandyng by hearyng him thus ſpeake were greatly agreeued with him, notyng in him arrogancy and wilfulneſſe, in perturbyng and refuſyng ſuch an honeſt order of agreement: […]1569, Richard Grafton, “Henry the Seconde”, in A Chronicle at Large and Meere History of the Affayres of Englande […], volume II, London: […] Henry Denham, […], for Richarde Tottle and Humffrey Toye...
  2. (transitive) To disturb (someone, their mind, etc.) mentally; to bother, trouble, upset.
    • […] I have often found / The truth thereof, in my private paſſions: / For I doe never feele my ſelfe perturb'd / VVith any generall vvords 'gainſt my profeſſion, / They doe avvake, and ſtirre me: […]1632 (first performance), Benjamin Jonson [i.e., Ben Jonson], “The Magnetick Lady: Or, Humors Reconcil’d. A Comedy […]”, in The Workes of Benjamin Jonson. The Second Volume. […] (Second Folio)...
    • He remembered how, […] his childish imagination was perturbed at a phenomenon, for which he could not account.1826, [Walter Scott], chapter V, in Woodstock; Or, The Cavalier. […], volume I, Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Co.; London: Longman, Rees, Orme, Brown, and...
  3. (transitive) Of a celestial body: to modify the motion or orbit of (another celestial body) by exerting a gravitational force; hence (physics), to slightly modify (the motion of an object).
  4. (transitive) To slightly modify (a set of equations or their solutions), producing deviations from a simple, easily solvable problem, in order to find an approximate solution to a problem that is more difficult to solve or otherwise unsolvable.
  5. (transitive) To influence (a process or system) so that it deviates from its normal state.
  6. (intransitive) To bother, to disturb, to trouble.
    • Thy ghoſt O father ſweete, thy greuous ghoſt, / Perturbing in my dremes hath me compeld to ſee this coaſt.1557 August 23 (date written; Gregorian calendar), Virgil, “The Syxt Booke”, in Thomas Phaer, transl., The Seuen First Bookes of the Eneidos of Virgill, Conuerted in Englishe Meter […], London: […]...
    • This growth original of virgin soil, / By fascination felt in opposites, / Pleases and shocks, entices and perturbs.1869 December (indicated as 1870 January), James Russell Lowell, “The Cathedral”, in James Thomas Fields, editor, The Atlantic Monthly: A Magazine of Literature, Science, Art, and Politics, volume...
    Synonyms:
    agitate

perturb meaning in Tamil, Bengali, Malayalam and Kannada

perturb in Tamil

தொல்லைகொடு, மனக்கலக்கஞ்செய்

perturb in Bengali

আকুল করা, বিচলিত করা, উদ্বিগ্ন করা

perturb in Malayalam

ഉലയ്ക്കുക, പരിഭ്രമിക്കുക, കുഴപ്പമുണ്ടാക്കുക, കലക്കുക

perturb in Kannada

to perturb or confuse
ಕದಡು kadaḍu
More languagesFewer languages
perturb in Persian
ناراحت کردن nârâhat kardan

Examples of perturb in a sentence

  • [T]hou perturbest my place; / Takest from me the country of my forefathers; […]1881, Abū Muẖammad bin Yusuf bin Mu,ayyid-i-Niz̤āmu-’d-Dīn [i.e., Nizami Ganjavi], “Canto XXVIII. Sikandar’s Written Reply to Dara.”, in...
  • For here it is not any natural desire that perturbeth the mind, but it ariseth from wilful negligence.1848, John Chrysostom, “Homily XXIII. 2 Cor[inthians] xi. 1.”, in J. Ashworth, transl., edited by J. F. Christie, The Homilies of S. John...
  • "Did he seem to you much perturbed?" / "Mr.1922 February–March, Arthur Conan Doyle, “The Problem of Thor Bridge”, in The Case Book of Sherlock Holmes, New York, N.Y.: A[lbert] L[evi]...

Synonyms of perturb

30 more synonymsFewer synonyms

Antonyms

All synonyms and antonyms of perturb

Forms of perturb

third-person singular presentperturbs
present participleperturbing
past participleperturbed
pastperturbed
second-person singular present (archaic)perturbest
second-person singular past (archaic)perturbedst
third-person singular present (archaic)perturbeth

Origin of perturb

From Late Middle English perturben (“to disturb (someone) mentally, disquiet; to cause disorder to (something), confuse; to hinder (something)”), from Old French perturber, and from its etymon Latin perturbāre, the present active infinitive of perturbō (“to confuse; to alarm, disturb, trouble, perturb”), from per- (intensifying prefix) + turbō (“to agitate, disturb, unsettle, perturb; to upset”) (from turba (“disorder, disturbance, turmoil”) (possibly from Ancient Greek τῠ́ρβη (tŭ́rbē, “confusion, disorder, tumult”), either from Pre-Greek, or Proto-Indo-European *(s)twerH- (“to agitate, stir up; to urge on, propel”)) + -ō (suffix forming infinitives of regular first-conjugation verbs)).

Words formed from perturb

Words that rhyme with perturb

4 more rhymesFewer rhymes

Questions about perturb

What does perturb mean?
Perturb means to cause (something) to be physically disordered or disturbed; to cause confusion.
What is perturb in Tamil?
Perturb in Tamil is தொல்லைகொடு, மனக்கலக்கஞ்செய். See Perturb meaning in Tamil.
How do you use perturb in a sentence?
[T]hou perturbest my place; / Takest from me the country of my forefathers; […]
What part of speech is perturb?
Perturb is a verb.
How do you pronounce perturb?
Perturb is pronounced /pəˈtɜːb/ (UK).
What is the past tense of perturb?
The past tense of perturb is perturbed.

Words near perturb in the dictionary

  1. perts
  2. pertsevite
  3. pertubation
  4. pertuisan
  5. pertuisans
  6. perturb
  7. perturbability
  8. perturbable
  9. perturbagen
  10. perturbagens
  11. perturbance

Source and license

Adapted from Wiktionary: perturb (page history and authors); perturb (Tamil Wiktionary) (page history and authors); perturb (Bengali Wiktionary) (page history and authors); perturb (Malayalam Wiktionary) (page history and authors); ಕದಡು (Kannada) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-us-perturb.ogg.

Cite this entry: “perturb.” Word.ws, https://word.ws/perturb. Based on Wiktionary, CC BY-SA 4.0.