fog

A thick cloud that forms near the ground; the obscurity of such a cloud.

“a bank of fog”

A mist or film clouding a surface.

figurativeA state of mind characterized by lethargy and confusion.

“He did so many drugs, he was still in a fog three months after going through detox.”

photographyA silver deposit or other blur on a negative or developed photographic image.

computer graphicsDistance fog.

A new growth of grass appearing on a field that has been mowed or grazed.

UKdialectTall and decaying grass left standing after the cutting or grazing season.

ScotlandMoss.

Droplets of water vapor suspended in the air near the ground

An atmosphere in which visibility is reduced because of a cloud of some substance

To become covered with or as if with fog.

To become obscured in condensation or water.

“The mirror fogged every time he showered.”

photographyTo become dim or obscure.

photographyTo make dim or obscure.

photographyTo spoil (film) via exposure to light other than in the normal process of taking a photograph.

To cover with or as if with fog.

To disperse insecticide into (a forest canopy) so as to collect organisms.

To obscure in condensation or water.

To make confusing or obscure.

To practice in a small or mean way; to pettifog.

To pasture cattle on the fog (of), or aftergrass, of; to eat off the fog from (a field).

To become covered with the kind of grass called fog.

Make less visible or unclear

“The stars are obscured by the clouds”

“the big elm tree obscures our view of the valley”