fog up

Also found in: Thesaurus, Idioms.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.fog up - get foggy; "The windshield fogged up"
cloud, overcast - make overcast or cloudy; "Fall weather often overcasts our beaches"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
Fog up the river, where it flows among green aits and meadows; fog down the river, where it rolls deified among the tiers of shipping and the waterside pollutions of a great (and dirty) city.
Even if your windows were wide open, it's unlikely that your room would fog up.