Perturb
Pronunciation : Per*turb"
Part of Speech : v.
Etymology : [L. perturbare, perturbatum; per + turbare to disturb, fr. turba a disorder: cf. OF. perturber. See Per-, and Turbid.]
Definition : 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.
t.
Source : Webster's Unabridged Dictionary, 1913