Definitions for: Perturb

[v] throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
[v] 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"
[v] cause a celestial body to deviate from a theoretically regular orbital motion, esp. as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
[v] disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"

Webster (1913) Definition: Per*turb", v. t. [L. perturbare, perturbatum; per +
turbare to disturb, fr. turba a disorder: cf. OF. perturber.
See Per-, and Turbid.]
1. To disturb; to agitate; to vex; to trouble; to disquiet.

Ye that . . . perturb so my feast with crying.
--Chaucer.

2. To disorder; to confuse. [R.] --Sir T. Browne.

Synonyms: cark, derange, disorder, disquiet, distract, throw out of kilter, trouble, unhinge

See Also: deviate, disarray, disorder, disturb, upset, vex, worry

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