Question 1

What does "fog up" mean?

Accepted Answer

Of a glass surface, to become covered in condensation so that it is difficult or impossible to see through.

Question 2

How do you use "fog up" in a sentence?

Accepted Answer

My glasses fogged up the moment I walked into the warm kitchen from the cold.

Question 3

Is "fog up" formal or informal?

Accepted Answer

"fog up" is register-neutral — appropriate in both casual and formal contexts. Most commonly used for glasses, mirrors, car windscreens, and windows. Very frequent in everyday British English. Can be intransitive ('my glasses fogged up') or transitive ('the steam fogged up the mirror'). American English more often uses 'fog up' or 'steam up' interchangeably.

fog up

Frases relacionadas

Mais com "up"