v.
Pronunciation: p ə r- ' t ə rb
Function: transitive verb
Etymology: Middle English, from Middle French perturber, from Latin perturbare to throw into confusion, from per- + turbare to disturb ― more at TURBID
Date: 14th century
1 : to disturb greatly in mind : DISQUIET
2 : to throw into confusion : DISORDER
3 : to cause to experience a perturbation
synonyms see DISCOMPOSE
– per · turb · able \ - ' t ə r-b ə -b ə l \ adjective