Definition of disturbs:
(v) :
(transitive) to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids.
(v) :
(intransitive) to have a negative emotional impact; to cause emotional distress or confusion.
(v) :
(transitive) to divert, redirect, or alter by disturbing.
(n) :
(obsolete) disturbance