mist

(noun) a thin fog with condensation near the ground.

(verb) become covered with mist. Synonyms: mist over. Example: "The windshield misted over."

(verb) make less visible or unclear. Synonyms: obscure, befog, becloud, obnubilate, haze over, fog, cloud. Examples: "The stars are obscured by the clouds." "The big elm tree obscures our view of the valley."

(verb) spray finely or cover with mist.