The Collaborative International Dictionary of English v.0.48:

Quiet \Qui"et\, n. [L. quies, -etis. See Quiet, a.]
   [1913 Webster]
   1. The quality or state of being quiet, or in repose; as an
      hour or a time of quiet.
      [1913 Webster]

   2. Freedom from disturbance, noise, or alarm; stillness;
      tranquillity; peace; security.
      [1913 Webster]

            And join with thee, calm Peace and Quiet. --Milton.
      [1913 Webster]

   At quiet, still; peaceful.

   In quiet, quietly. " I will depart in quiet." --Shak.

   Out of quiet, disturbed; restless. [Obs.] "She is much out
      of quiet." --Shak.
      [1913 Webster]