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Definition of "perturb" [per•turb]

  • To disturb greatly; make uneasy or anxious. (verb-transitive)
  • To throw into great confusion. (verb-transitive)
  • Physics & Astronomy To cause perturbation, as of a celestial orbit. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "perturb" in a sentence
  • "On the contrary, check which phone calls perturb your mental health and give you a headache."
  • "It was an off the cuff remark, it was not meant to "perturb" you."
  • "It used to kind of perturb me the way she'd say that."