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1. (v.t.) perturb
to disturb or disquiet greatly in mind; agitate.
2. perturb
to throw into great disorder; derange.
3. perturb
to cause perturbation in the orbit of (a celestial body).
Etymology: (1325–75; ME (< OF perturber) < L perturbāre to throw into confusion =per-per - +turbāre to disturb; see turbid)
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| Definition of 'perturb' |
Princeton's WordNet |
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1. (verb) perturb, unhinge, disquiet, trouble, cark, distract, disorder
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"
2. (verb) perturb
disturb or interfere with the usual path of an electron or atom
"The electrons were perturbed by the passing ion"
3. (verb) perturb
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"
4. (verb) perturb, derange, throw out of kilter
throw into great confusion or disorder
"Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
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| Definition of 'perturb' |
Webster Dictionary |
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1. (verb) perturb
to disturb; to agitate; to vex; to trouble; to disquiet
2. (verb) perturb
to disorder; to confuse
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Sense: to make (someone) worried or anxious
His threats didn't perturb her in the least.
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 Afrikaans: bekommer |
 Arabic: يُزْعِج، يُقْلِق |
 Bulgarian: смущавам |
 Brazilian: perturbar |
 Czech: splést; zneklidnit |
 German: beunruhigen |
 Danish: bekymre; forurolige |
 Greek: αναστατώνω |
 Spanish: perturbar, preocupar |
 Estonian: häirima |
 Farsi: نگران کردن |
 Finnish: huolestuttaa |
 French: inquiéter |
 Hebrew: לְהַדאִיג |
 Hindi: अस्त-व्यस्त करना |
 Croatian: poremetiti, uznemiriti |
 Hungarian: háborgat |
 Indonesian: membuat khawatir |
 Icelandic: valda hugarangri hjá (e-m |
 Italian: turbare |
 Japanese: 不安にする |
 Korean: 당황, 불안하게 하다 |
 Lithuanian: sujaudinti, (su)kelti (ka |
 Latvian: satraukt; uztraukt |
 Malay: menjadikan risau |
 Dutch: in de war brengen, veront |
 Norwegian: forurolige, bekymre |
 Polish: niepokoić |
 Persian: نگران کردن |
 Pashto: ځورول، ربړول، خپه كول، په |
 Portuguese: perturbar |
 Romanian: a nelinişti; a perturba, |
 Russian: беспокоить, волновать |
 Slovak: zmiasť; znepokojiť |
 Slovenian: vznemiriti |
 Serbian: uznemiriti |
 Swedish: oroa, förvirra, störa |
 Thai: ทำให้ยุ่งยากใจ |
 Turkish: kaygılandırmak |
 Taiwanese: 使心緒不寧，使感到不安 |
 Ukrainian: збурювати, порушувати спо |
 Urdu: بے چين کرنا، بے قرار کرنا |
 Vietnamese: làm lo sợ |
 Chinese: 使感到不安 |
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Definitions of perturb 
