fog up
Third Person
fogs up
Present Participle
fogging up
Past Tense
fogged up
Past Participle
fogged up
1
(of glass, mirrors, lenses, and other such surfaces) to become covered by fog
- The bathroom mirror fogged up after a hot shower.
- Her glasses often fog up when she enters a warm room from the cold outdoors.
- The car windows fogged up in the early morning due to the temperature difference.
- The camera lens started to fog up in the humid tropical climate.
- After the rain, the windshield of the car fogged up, reducing visibility.
2
to cover something with very small water droplets, resulting in a mist on its surface
- A cold drink can cause the outside of the glass to fog up on a warm day.
- My breath makes the mirror fog up after a hot shower.
- The humid environment, fogged up the camera lens quickly, affecting the quality of the photos.