(v)perturb, unhinge, disquiet, trouble, cark, distract, disorderdisturb 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)perturbcause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull“The orbits of these stars were perturbed by the passings of a comet”