The Oxford Thesaurus An A-Z Dictionary of Synonyms - mistn.

1) fog, haze, smog, (low-hanging) cloud, vapour; drizzle, Brit dialect mizzle: I could scarcely make out the road in the mist. --v. 2) Usually, mist up or over. cloud (up or over) , becloud, fog, befog, dim, blur, film, steam up: The mirror in the bathroom had misted up when I was having a shower.