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View synonyms for

perturb

[ per-turb ]

verb (used with object)

  1. to disturb or disquiet greatly in mind; agitate:

    I can see how such a massive change in your routine would perturb you.

    Synonyms: ,

    Antonyms:

  2. to throw into great disorder:

    Huge construction projects can take years to finish, and meanwhile, can greatly perturb the neighborhood.

    Synonyms: , ,

  3. Astronomy. to cause perturbation in the orbit of (a celestial body).


perturb

/ əˈɜː /

verb

  1. to disturb the composure of; trouble
  2. to throw into disorder
  3. physics astronomy to cause (a planet, electron, etc) to undergo a perturbation
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Derived Forms

  • ˈٳܰԲ, adverb
  • ˈٳܰԲ, adjective
  • ˈٳܰ, adverb
  • ˈٳܰ, adjective
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Other Word Forms

  • ·ٳܰ·· adjective
  • ·ٳܰ····ٲ [per-tur-b, uh, -, bil, -i-tee], noun
  • ·ٳܰ··پdzܲ [pur-ter-, bey, -sh, uh, s], adjective
  • ·ٳܰ··ٴǰ [pur, -ter-bey-ter], ·ٳܰ· noun
  • ·ٳܰ·Բ· adverb
  • ·ٳܰ·Գ noun
  • non··ٳܰ·· adjective
  • ԴDz··ٳܰ·Բ adjective
  • un··ٳܰ·· adjective
  • ܲ··ٳܰ·Բ adjective
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Word History and Origins

Origin of perturb1

First recorded in 1325–75; Middle English perturben (from Old French perturber ), from Latin ٳܰ “to throw into confusion,” from per- per- + ٳܰ “to agitate, confuse” ( turbid )
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Word History and Origins

Origin of perturb1

C14: from Old French pertourber, from Latin ٳܰ to confuse, from per- (intensive) + ٳܰ to agitate, from turba confusion
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Example Sentences

Examples have not been reviewed.

And though it’s also perturbing, it’s nice to watch something where even the darkness isn’t synthetic.

From

They might be especially perturbed when reminded that the high quality of American health care depends largely on the influx of medical doctors and researchers from around the world.

From

Overall, there's nothing here that would perturb a consumer.

From

In that defeat, Roberts was particularly perturbed by the club’s quality of at-bats — or lack thereof.

From

Experts were perturbed by such confident statements in the face of uncertainty, especially as California’s outbreak spiked and a child was mysteriously infected by the same strain of virus found on dairy farms.

From

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pertinentperturbate