· 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"
Synonym(s): unhinge, disquiet, trouble, cark, distract, disorder
Hypernym(s): disturb, upset, trouble
· disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"
Hypernym(s): deviate
· cause 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"
Hypernym(s): deviate
· throw into great confusion or disorder; "Fundamentalists threaten to perturb the social order"
Synonym(s): derange, throw_out_of_kilter
Hypernym(s): disorder, disarray