unfog

verb5

1. •
   To remove the moisture or fog from.

   • 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. — 1975
2. •
   To become less covered in fog or mist.

   • The meter would fog up when removed from the freezer (water vapor condensation, a natural effect), but would quickly unfog in the oven. — 1986
3. •
   To adjust the lenses a patient looks through in order to clarify their vision.

   • Sometimes, if vision is good and the same with each eye, I fog and unfog both eyes at once, in order to save time. — 1916
4. •
   To free from confusion

   • Let us unfog our minds, and abide by the eternal largesse of our hearts. — 1918
5. •
   To become clearer or less confused.

   • My mind was starting to unfog. — 1993