Definitions

1. noun

a cloud of tiny water droplets suspended in the air near the ground

“The thick fog made it difficult to drive to work.”

2. verb

to become or make something unclear or difficult to see

“The smog fogged up the windows.”

3. verb

to cover or envelop something in a cloud or fog

“The valley was fogged in by the morning mist.”

4. noun

a state of uncertainty or obscurity

“The fog surrounding the mystery kept everyone guessing.”