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⇱ perturbing - WordReference.com Dictionary of English

perturbing

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/pərˈtɜːrbɪŋ/


WordReference Random House Learner's Dictionary of American English © 2026
per•turb /pɚˈtɜrb/USA pronunciation   v. [~ + object]
  1. to disturb (someone) greatly in the mind:The disappointments he faced perturbed him greatly.
  2. Astronomyto cause the orbit of (a celestial body) to be changed or upset.
per•tur•ba•tion /ˌpɜrtɚˈbeɪʃən/USA pronunciation  n. [uncountable]the effects of perturbation on heavenly bodies.[countable]The perturbations were felt throughout the solar system.See -turb-.

WordReference Random House Unabridged Dictionary of American English © 2026
per•turb  (pər tûrb′),USA pronunciation v.t. 
  1. to disturb or disquiet greatly in mind; agitate.
  2. Psychiatryto throw into great disorder;
    derange.
  3. Astronomyto cause perturbation in the orbit of (a celestial body).
  • Latin perturbāre to throw into confusion, equivalent. to per- per- + turbāre to disturb; see turbid
  • Old French perturber)
  • Middle English perturben (1325–75
per•turb′a•ble, adj. 
per•turb′a•bil′i•ty, n. 
per•turb′ed•ness, n. 
per•turb′ing•ly, adv. 
per•turb′ment, n. 
    1. trouble. 2. confuse, addle, muddle.
    1. pacify.
Collins Concise English Dictionary © HarperCollins Publishers::
perturb /pəˈtɜːb/ vb (transitive; often passive)
  1. to disturb the composure of; trouble
  2. to throw into disorder
  3. to cause (a planet, electron, etc) to undergo a perturbation
Etymology: 14th Century: from Old French pertourber, from Latin perturbāre to confuse, from per- (intensive) + turbāre to agitate, from turba confusionperˈturbable adj perˈturbing adj
'perturbing' also found in these entries (note: many are not synonyms or translations):
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