Fog Word Meaning

mid 16th century: perhaps a back-formation from foggy

a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface which obscures or restricts visibility (to a greater extent than mist; strictly, reducing visibility to below 1 km)

thick cloud of water droplets which obscures visibility

• the collision occurred in thick fog

a state or cause of perplexity or confusion

state or cause of perplexity or confusion

• the coffee helped clear the fog in my brain

(with reference to a glass surface) cover or become covered with steam

cover with steam

• hot steam drifted about her, fogging up the window
• the windscreen was starting to fog up

bewilder or puzzle

bewilder or puzzle

• she stared at him, confusion fogging her brain

spray with an insecticide.

treat with substance in spray-form