Unfog
verb ·Rare ·Advanced level
Definitions
- 1 To remove the moisture or fog from. transitive
"If you get any of this on the faceplate, you won't be able to unfog your mask until you wash the silicone off the glass with soap and water."
- 2 To free from confusion transitive
"Let us unfog our minds, and abide by the eternal largesse of our hearts."
- 3 To become less covered in fog or mist. intransitive
"The meter would fog up when removed from the freezer (water vapor condensation, a natural effect), but would quickly unfog in the oven."
- 4 To become clearer or less confused. intransitive
"My mind was starting to unfog."
- 5 To adjust the lenses a patient looks through in order to clarify their vision. transitive
"Sometimes, if vision is good and the same with each eye, I fog and unfog both eyes at once, in order to save time."
Example
More examples"If you get any of this on the faceplate, you won't be able to unfog your mask until you wash the silicone off the glass with soap and water."
Etymology
From un- + fog.
More for "unfog"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.