Definition of "disturb"

disturb

/dɪˈstɜːb/

verb
third-person singular simple present disturbs, present participle disturbing, simple past and past participle disturbed
1. (transitive) to confuse a quiet, constant state or a calm, continuous flow, in particular: thoughts, actions or liquids.
2. (transitive) to divert, redirect, or alter by disturbing.
  Quotations
  disturb his inmost counsels from their destined aim
  1667, John Milton, “Book I”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,
3. (intransitive) to have a negative emotional impact; to cause emotional distress or confusion.
noun
1. (obsolete) disturbance
  Quotations
  Instant without disturb they took alarm
  1667, John Milton, “(please specify the book number)”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,