fog

fog1 [ fɔg ] noun *

1. ) count or uncount a thick cloud that forms close to the ground or to water and is difficult to see through. Fog is thicker than mist:

thick/heavy/dense/freezing fog: Heavy fog forced drivers to slow down.

a patch of fog: There may be some patches of fog around dawn.

a blanket of fog (=fog that covers everything): a thick blanket of fog in the valley

fog lifts (=goes away): We'll leave when this fog has lifted.

2. ) singular a cloud of smoke or some other gas:

fog of: a fog of cigar smoke

3. ) singular a confused or confusing situation or state:

in a fog: My mind is in a complete fog.

fog

fog 2 [ fɔg ] verb

1. ) fog or fog up intransitive or transitive if a window or mirror fogs, or if you fog it, it becomes covered with steam so that you cannot see through it or in it

2. ) transitive to make someone confused:

My brain was fogged by sleep.

a ) to make something confusing or difficult to understand:

fog the issue: Your questions are only fogging the issue.