fog up
— phrasal verb with fog uk/fɒɡ/us/fɑːɡ/verb [ T ] -gg-
If a glass surface fogs up, a thin layer of liquid develops on it so that it is difficult to see through:
I couldn't see a thing because my glasses had fogged up.
Thesaurus: synonyms and related words
Precipitation: clouds, dew, fog & steam
- altocumulus
- billow
- cloudy
- condensation
- cumulonimbus
- dewdrop
- fog
- hazy
- miasma
- mist
- pea soup
- smog
- steam
- steamy
- stratocumulus
- stratus
- thundercloud
- vapour trail
- visibility
- whiteout
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