The Collaborative International Dictionary of English v.0.48:

Flit \Flit\, v. i. [imp. & p. p. Flitted; p. pr. & vb. n.
   Flitting.] [OE. flitten, flutten, to carry away; cf. Icel.
   flytja, Sw. flytta, Dan. flytte. [root]84. Cf. Fleet, v.
   i.]
   1. To move with celerity through the air; to fly away with a
      rapid motion; to dart along; to fleet; as, a bird flits
      away; a cloud flits along.
      [1913 Webster]

            A shadow flits before me.             --Tennyson.
      [1913 Webster]

   2. To flutter; to rove on the wing. --Dryden.
      [1913 Webster]

   3. To pass rapidly, as a light substance, from one place to
      another; to remove; to migrate.
      [1913 Webster]

            It became a received opinion, that the souls of men,
            departing this life, did flit out of one body into
            some other.                           --Hooker.
      [1913 Webster]

   4. To remove from one place or habitation to another. [Scot.
      & Prov. Eng.] --Wright. Jamieson.
      [1913 Webster]

   5. To be unstable; to be easily or often moved.
      [1913 Webster]

            And the free soul to flitting air resigned.
                                                  --Dryden.
      [1913 Webster]