Sample sentences for PERTURB - verbalworkout.com

2 meanings

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1 —as in:
she was perturbed

Definition

to disturb in mind or make uneasy

She is not perturbed by attacks from a hostile press.

perturbed = disturbed

Other Uses (with this meaning)

She was perturbed by the criticism, but resolved to continue.

perturbed = disturbed

Rest, rest, perturbed spirit!
William Shakespeare -- Hamlet
I walked up and down my room hastily and perturbed, while my imagination conjured up a thousand images to torment and sting me.
Mary Shelley -- Frankenstein
Alyss glanced at Dodge, and the questioning, slightly perturbed expression on his face told her that they were thinking the same thing.
Frank Beddor -- The Looking Glass Wars

perturbed = disturbed

ABIGAIL, unperturbed, continuing to the "bird": Oh, Mary, this is a black art to change your shape.
Arthur Miller -- The Crucible

unperturbed = undisturbed

(Editor's note: The prefix "un-" in unperturbed means not and reverses the meaning of perturbed. This is the same pattern you see in words like unhappy, unknown, and unlucky.)

Ampleforth marched clumsily out between the guards, his face vaguely perturbed, but uncomprehending.
George Orwell -- 1984

perturbed = disturbed

I walked up and down my room hastily and perturbed, while my imagination conjured up a thousand images to torment and sting me.
Mary Shelley -- Frankenstein

perturbed = disturbed or uneasy

"Well now, that is a shame," agreed Hannah, unperturbed.
Elizabeth George Speare -- The Witch of Blackbird Pond

unperturbed = undisturbed

(Editor's note: The prefix "un-" in unperturbed means not and reverses the meaning of perturbed. This is the same pattern you see in words like unhappy, unknown, and unlucky.)

Tom was evidently perturbed at Daisy's running around alone, for on the following Saturday night he came with her to Gatsby's party.
F. Scott Fitzgerald -- The Great Gatsby

perturbed = disturbed

Dictionary / pronunciation — Google^®Dictionary list — Onelook.com^®

2 —
perturbation of the orbit

Definition

physics or astronomy: a secondary influence on a system that causes it to deviate slightly

The planet, Neptune, was discovered after its existence was predicted by perturbations in Uranus' orbit.

Other Uses (with this meaning)

If the perturbations are small, the procedure should work.

perturbations = a secondary influence on a system that causes it to deviate slightly

One has to study the evolution of perturbations over time to find out if the configuration is stable.
A great perturbation in nature,—to receive at once the benefit of sleep, and do the effects of watching—
William Shakespeare -- Macbeth

perturbation = deviation (from the natural course of things)

from study and perturbation of the brain
William Shakespeare -- Henry IV, Part 2

perturbation = disturbance (of the mind)

damped stochastic perturbations
The Major thought he recognized the piano, though, with the picture over it, as it used to be in former days, and his perturbations were renewed.
William Makepeace Thackeray -- Vanity Fair
Also, there were comings and goings, and the erstwhile placid atmosphere of the cabin was vexed with strange perturbations and unrest.
Jack London -- White Fang
Then you looked for perturbations that might indicate other planets.
John Ringo -- Live Free or Die
Then shall all vain imaginations, evil perturbations, and superfluous cares fly away; then shall immoderate fear leave thee, and inordinate love shall die.
George Eliot -- The Mill on the Floss

Dictionary / pronunciation — Google^®Dictionary list — Onelook.com^®

Less commonly:

More rarely, perturbation can be used in the more general sense meaning: to disturb in mind or make uneasy — as when Jane Austen wrote: "the perturbation of Elizabeth's feelings was at every moment increasing."

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