The Collaborative International Dictionary of English v.0.48:
Haziness \Ha"zi*ness\, n. The quality or state of being hazy. [1913 Webster]WordNet (r) 3.0 (2006):
haziness n 1: vagueness attributable to being not clearly defined 2: cloudiness resulting from haze or mist or vapor [syn: haziness, mistiness, steaminess, vaporousness, vapourousness]