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Definitions for Perturb

[1] to disturb or disquiet greatly in mind; agitate.
[2] to throw into great disorder; derange.
[3] Astronomy . to cause perturbation in the orbit of (a celestial body).
[4] to disturb the composure of; trouble
[5] to throw into disorder
[6] physics astronomy to cause (a planet, electron, etc) to undergo a perturbation

Words related to Perturb

annoy, dismay, disturb, perplex, bewilder, disconcert, alarm, vex, confuse, muddle, irritate, confound, agitate, fluster, discompose, discountenance, ruffle, bother, needle, disquiet

Words nearby Perturb

perthite, perthshire, pertinacious, pertinacity, pertinent, perturb, perturbation, perturbation theory, perturbative, pertussis, pertussis immune globulin

Origin of Perturb

1325–75; Middle English perturben (< Old French perturber ) < Latin perturbāre to throw into confusion, equivalent to per- per- + turbāre to disturb; see turbid

Other words from Perturb

per·turb·a·ble , adjective
per·turb·a·bil·i·ty , noun
per·tur·ba·tious [pur-ter-bey -shuh s] /ˌpɜr tərˈbeɪ ʃəs/ , adjective
per·turb·ed·ly [per-tur -bid-lee] /pərˈtɜr bɪd li/ , adverb
per·turb·ed·ness , noun
per·turb·er , per·tur·ba·tor [pur -ter-bey-ter] /ˈpɜr tərˌbeɪ tər/ , noun
per·turb·ing·ly , adverb
per·turb·ment , noun
non·per·turb·a·ble , adjective
non·per·turb·ing , adjective
un·per·turb·a·ble , adjective
un·per·turbed , adjective
un·per·turb·ing , adjective

Word origin for Perturb

C14: from Old French pertourber, from Latin perturbāre to confuse, from per- (intensive) + turbāre to agitate, from turba confusion

Synonyms for Perturb

agitate, alarm, annoy, bewilder, confound, confuse, disconcert, dismay, disturb, fluster, irritate, muddle, perplex, vex, bother, bug, disarrange, discompose, discountenance, disorder, disquiet, flurry, needle, pester, ruffle, trouble, worry, make a scene, make waves, stir up