What does perturb mean?

Definitions for perturbpərˈtɜrb

Here are all the possible meanings and translations of the word perturb.

Princeton's WordNet

  1. perturb, unhinge, disquiet, trouble, cark, distract, disorder(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"

  2. perturb(verb)

    disturb or interfere with the usual path of an electron or atom

    "The electrons were perturbed by the passing ion"

  3. 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"

  4. perturb, derange, throw out of kilter(verb)

    throw into great confusion or disorder

    "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"


  1. perturb(Verb)

    To disturb; to bother or unsettle.

  2. perturb(Verb)

    To slightly modify the motion of an object.

  3. perturb(Verb)

    To modify the motion of a body by exerting a gravitational force.

  4. perturb(Verb)

    To modify slightly, such as an equation or value.

  5. Origin: From perturben, from perturber, from perturbare, from per + .

Webster Dictionary

  1. Perturb(verb)

    to disturb; to agitate; to vex; to trouble; to disquiet

  2. Perturb(verb)

    to disorder; to confuse

  3. Origin: [L. perturbare, perturbatum; per + turbare to disturb, fr. turba a disorder: cf. OF. perturber. See Per-, and Turbid.]

Chambers 20th Century Dictionary

  1. Perturb

    per-turb′, v.t. to disturb greatly: to agitate—also Per′turbate.—adj. Pertur′bable, that can be agitated or confused.—ns. Pertur′bance, Perturbā′tion, act of perturbing or state of being perturbed: disquiet of mind: irregular action, esp. (astron.) the disturbance produced in the simple elliptic motion of one heavenly body about another by the action of a third body, or by the non-sphericity of the principal body; Pertur′bant, any disturbing thing.—adjs. Perturbā′tional; Pertur′bative.—n. Pertur′batory, the power of deflecting the divining-rod by magnetic influence.—p.adj. Perturbed′.—adv. Perturb′edly.—ns. Pertur′ber, Perturbā′tor:—fem. Per′turbātrix. [Fr.,—L. perturbāre, -ātumper, thoroughly, turbāre, to disturb—turba, a crowd.]


  1. Chaldean Numerology

    The numerical value of perturb in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of perturb in Pythagorean Numerology is: 1

Images & Illustrations of perturb

  1. perturbperturbperturb

Translations for perturb

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"perturb." Definitions.net. STANDS4 LLC, 2018. Web. 18 Mar. 2018. <https://www.definitions.net/definition/perturb>.

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