perturb
American Heritage Dictionary:
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per·turb
(pər-tûrb') 
tr.v., -turbed, -turb·ing, -turbs.
tr.v., -turbed, -turb·ing, -turbs.
- To disturb greatly; make uneasy or anxious.
- To throw into great confusion.
- Physics & Astronomy. To cause perturbation, as of a celestial orbit.
[Middle English perturben, from Old French perturber, from Latin perturbāre : per-, per- + turbāre, to throw into disorder (from turba, confusion , perhaps from Greek turbē).]
perturbable per·turb'a·ble adj.Roget's Thesaurus:
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perturb
Antonyms by Answers.com:
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perturb
v
Definition: upset, unsettle
Antonyms: calm, please, reassure, soothe
Word Tutor:
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perturbed
IN BRIEF: Greatly disturbance in (the mind); agitated.
Rest, rest, perturbed spirit!
— William Shakespeare (1564-1616)
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to cause a selective and measurable change in the state of equilibrium of a system, or in its associated properties, through the action or influence of a specific external agent; to undergo perturbation.
—perturbable adj.
| pertactin, perspective formula, persephin | |
| perturbant, perturbation, pertussis toxin |
Random House Word Menu:
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categories related to 'perturbed'
See crossword solutions for the clue Translations:
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Perturb
Nederlands (Dutch)
in de war brengen, (ver)storen, afwijking veroorzaken (natuurkunde)
Français (French)
v. tr. - perturber, être troublé par, être alarmé par
Deutsch (German)
v. - beunruhigen, stören
Ελληνική (Greek)
v. - διαταράσσω, αναστατώνω, συγχύζω, εμπνέω ανησυχία
Italiano (Italian)
disorientare, disturbare, turbare
Português (Portuguese)
v. - perturbar, inquietar
Español (Spanish)
v. tr. - perturbar, inquietar
Svenska (Swedish)
v. - rubba, störa, oroa
中文（简体）(Chinese (Simplified))
扰乱, 使心慌, 使混乱
中文（繁體）(Chinese (Traditional))
v. tr. - 擾亂, 使心慌, 使混亂
한국어 (Korean)
v. tr. - 교란하다, 어리둥절하게 하다
日本語 (Japanese)
v. - かき乱す, 摂動を起こさせる
العربيه (Arabic)
(فعل) يزعج, يشوش, يعكر, يقلق
עברית (Hebrew)
v. tr. - הדאיג, הביך, גרם להתרגשות, ערער שלוות-נפשו
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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
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Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary Copyright © 1995 byHoughton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
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