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/pərtˈərb/ Listen

Perturb

verb

Disturb in mind or make uneasy or cause to be worried or alarmed. Synonyms: cark, disorder, disquiet, distract, trouble, unhinge.

Disturb or interfere with the usual path of an electron or atom.

Cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull.

Throw into great confusion or disorder. Synonyms: derange, throw out of kilter.

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"Perturb" Quotes from Famous Books

... appeared to perturb Howard exceedingly. By his gestures it seemed to Graham that he hesitated between two directions. Abruptly he went towards the corner where the apparatus stood about the little crystal ball. As he did so the undertone of tumultuous shouting ...

— The Sleeper Awakes - A Revised Edition of When the Sleeper Wakes • H.G. Wells

... harms. Nor fear I if ten Vitrys now were here, Since I have thrice ten Ravilliacs as near. My power shall be unbounded in each thing, If once I use these words, "I and the king." Seem wise, and cease then to perturb the realm, Or strive with him that sits and guides the helm. I know your reading will inform you soon, What creatures they were, that barkt against the moon. I'll give you better counsel as a friend: Cobblers their latchets ought not to transcend; Meddle with common matters, ...

— Curiosities of Literature, Vol. II (of 3) - Edited, With Memoir And Notes, By His Son, The Earl Of Beaconsfield • Isaac D'Israeli

... first sight nothing, and accordingly its mass is not even yet known with exactness. The mass of comets, again, is quite unknown. All that we can be sure of is that they are smaller than a certain limit, else they would perturb the planets they pass near. Nothing of this sort has ever been detected. They are themselves perturbed plentifully, but they perturb nothing; hence we learn that their mass is small. The mass of a comet may, indeed, be a few ...

— Pioneers of Science • Oliver Lodge

... (although he knew how far it was safe to trust Bilibin), what he had read began to interest him more and more. When he had read thus far, he crumpled the letter up and threw it away. It was not what he had read that vexed him, but the fact that the life out there in which he had now no part could perturb him. He shut his eyes, rubbed his forehead as if to rid himself of all interest in what he had read, and listened to what was passing in the nursery. Suddenly he thought he heard a strange noise through ...

— War and Peace • Leo Tolstoy

... a death on the gallows did not perturb Lady Shillito in the least. She was perfectly certain that if found guilty her beauty and station in life would avail to have the death penalty commuted to a term of imprisonment which she would spend in the Infirmary. ...

— Mrs. Warren's Daughter - A Story of the Woman's Movement • Sir Harry Johnston