Perturb \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.
Nobody really knows how many surrogate mothers have played their role to bring forth other Baby Ms to perturb us with questions of social policy.
He couldn't understand why he had to do it over and over, and he missed that feedback from an audience." Nothing seems to perturb Dina Merrill.