The Collaborative International Dictionary of English v.0.48:

Mist \Mist\, v. t. [imp. & p. p. Misted; p. pr. & vb. n.
   Misting.]
   To cloud; to cover with mist; to dim. --Shak.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mist \Mist\, v. i.
   To rain in very fine drops; as, it mists.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

mist \mist\ (m[i^]st), n. [AS. mist; akin to D. & Sw. mist,
   Icel. mistr, G. mist dung, Goth. ma['i]hstus, AS. m[imac]gan
   to make water, Icel. m[imac]ga, Lith. migla mist, Russ. mgla,
   L. mingere, meiere, to make water, Gr. 'omichei^n to make
   water, 'omi`chlh mist, Skr. mih to make water, n., a mist
   m[=e]gha cloud. [root]102. Cf. Misle, Mizzle, Mixen.]
   1. Visible watery vapor suspended in the atmosphere, at or
      near the surface of the earth; fog.
      [1913 Webster]

   2. Coarse, watery vapor, floating or falling in visible
      particles, approaching the form of rain; as, Scotch mist.
      [1913 Webster]

   3. Hence, anything which dims or darkens, and obscures or
      intercepts vision.
      [1913 Webster]

            His passion cast a mist before his sense. --Dryden.
      [1913 Webster]

   Mist flower (Bot.), a composite plant (Eupatorium
      coelestinum), having heart-shaped leaves, and corymbs of
      lavender-blue flowers. It is found in the Western and
      Southern United States.
      [1913 Webster]

WordNet (r) 3.0 (2006):

mist
    n 1: a thin fog with condensation near the ground
    v 1: become covered with mist; "The windshield misted over"
         [syn: mist, mist over]
    2: make less visible or unclear; "The stars are obscured by the
       clouds"; "the big elm tree obscures our view of the valley"
       [syn: obscure, befog, becloud, obnubilate, haze
       over, fog, cloud, mist]
    3: spray finely or cover with mist