- derangement, mental unsoundness, unbalance - a state of mental disturbance and disorientation
--1 is a kind of insanity
Derived form: verb derange1 - upset, derangement, overthrow - the act of disturbing the mind or body; "his carelessness could have caused an ecological upset"; "she was unprepared for this sudden overthrow of their normal way of living"
--2 is a kind of disturbance
Derived form: verb derange2