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Synonyms

perturb

American  
[per-turb] / pərˈtɜrb /

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:
    worry, trouble
    Antonyms:
    pacify
  2. to throw into great disorder.

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

    Synonyms:
    muddle, disarrange, confuse
  3. Astronomy. to cause perturbation in the orbit of (a celestial body).


perturb British  
/ pəˈtɜːb /

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

Other Word Forms

  • nonperturbable adjective
  • nonperturbing adjective
  • perturbability noun
  • perturbable adjective
  • perturbably adverb
  • perturbatious adjective
  • perturbator noun
  • perturber noun
  • perturbing adjective
  • perturbingly adverb
  • perturbment noun
  • unperturbable adjective
  • unperturbing adjective

Etymology

Origin of perturb

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

That people are so susceptible to what they read, watch and listen to online is perturbing enough as it is.

From Salon

“I can’t even believe it,” a visibly perturbed Putin said on camera.

From The Wall Street Journal

More curiously, even though U.S. high-yield spreads are at post-1998 lows, few investors seemed to be unduly perturbed here.

From MarketWatch

And he seemed, in the estimation of some around the team, unusually perturbed as public criticisms of his play started to mount.

From Los Angeles Times

“It’s perturbing and upsetting,” said Mark Bookbinder, a 68-year-old engineer who lives in Cincinnati.

From The Wall Street Journal