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We found 33 dictionaries with English definitions that include the word perturb:
Click on the first link on a line below to go directly to a page where "perturb" is defined.

General dictionaries General (28 matching dictionaries)
  1. perturb: Merriam-Webster.com [home, info]
  2. perturb: Oxford Learner's Dictionaries [home, info]
  3. perturb: American Heritage Dictionary of the English Language [home, info]
  4. perturb: Collins English Dictionary [home, info]
  5. perturb: Vocabulary.com [home, info]
  6. perturb: Wordnik [home, info]
  7. perturb: Cambridge Advanced Learner's Dictionary [home, info]
  8. perturb: Wiktionary [home, info]
  9. perturb: Webster's New World College Dictionary, 4th Ed. [home, info]
  10. perturb: The Wordsmyth English Dictionary-Thesaurus [home, info]
  11. perturb: Infoplease Dictionary [home, info]
  12. Perturb, perturb: Dictionary.com [home, info]
  13. perturb: Online Etymology Dictionary [home, info]
  14. perturb: UltraLingua English Dictionary [home, info]
  15. Perturb: Wikipedia, the Free Encyclopedia [home, info]
  16. Perturb: Online Plain Text English Dictionary [home, info]
  17. perturb: Webster's Revised Unabridged, 1913 Edition [home, info]
  18. perturb: Rhymezone [home, info]
  19. perturb: AllWords.com Multi-Lingual Dictionary [home, info]
  20. perturb: Webster's 1828 Dictionary [home, info]
  21. perturb: Free Dictionary [home, info]
  22. perturb: Mnemonic Dictionary [home, info]
  23. perturb: WordNet 1.7 Vocabulary Helper [home, info]
  24. perturb: LookWAYup Translating Dictionary/Thesaurus [home, info]
  25. perturb: Dictionary/thesaurus [home, info]
  26. perturb: Wikimedia Commons US English Pronunciations [home, info]

Business dictionaries Business (1 matching dictionary)
  1. perturb: Legal dictionary [home, info]

Computing dictionaries Computing (1 matching dictionary)
  1. perturb: Encyclopedia [home, info]

Medicine dictionaries Medicine (1 matching dictionary)
  1. perturb: Medical dictionary [home, info]

Science dictionaries Science (1 matching dictionary)
  1. perturb: Nine Planets Glossary [home, info]

Slang dictionaries Slang (1 matching dictionary)
  1. perturb: Urban Dictionary [home, info]

(Note: See perturbs for more definitions.)

Quick definitions from WordNet (perturb)

verb:  cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull ("The orbits of these stars were perturbed by the passings of a comet")
verb:  disturb or interfere with the usual path of an electron or atom ("The electrons were perturbed by the passing ion")
verb:  throw into great confusion or disorder ("Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt")
verb:  disturb in mind or make uneasy or cause to be worried or alarmed ("She was rather perturbed by the news that her father was seriously ill")

▸ Also see perturbs
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Words similar to perturb:   cark, derange, disorder, disquiet, distract, perturbable, perturbed, perturbing, trouble, unhinge, agitate, rile, throw out of kilter, more...

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