fogginess

from WordNet (r) 3.0 (2006)

fogginess
    n 1: an atmosphere in which visibility is reduced because of a
         cloud of some substance [syn: {fog}, {fogginess}, {murk},
         {murkiness}]
    2: the quality of being indistinct and without sharp outlines
       [syn: {indistinctness}, {softness}, {blurriness},
       {fogginess}, {fuzziness}] [ant: {distinctness}, {sharpness}]

from The Collaborative International Dictionary of English v.0.48

Fogginess \Fog"gi*ness\, n.
   The state of being foggy. --Johnson.
   [1913 Webster]