fog

noun8

1. •
   wet air near the ground, so full of water that it hides everything a short way off
2. •
   (figurative) A state of mind characterized by lethargy and confusion.

   • He did so many drugs, he was still in a fog three months after going through detox.
3. •
   A mist or film clouding a surface.
4. •
   A silver deposit or other blur on a negative or developed photographic image.
5. •
   Distance fog.
6. •
   A new growth of grass appearing on a field that has been mowed or grazed.

   • The inclosures of fog, or aftergrass, reserved for spring-feed, are now supposed to be shut up, also the burnet, which is never to be fed in autumn ... — 1800
7. •
   (dialect, UK) Tall and decaying grass left standing after the cutting or grazing season.

   • […] and they generally leave a great deal of Fog to rot on the Ground, which, with the Help of his well turned Dung-hill, dress his Ground […] — 1744
8. •
   (Scotland) Moss.

verb12

1. •
   To become covered with or as if with fog.
2. •
   To become obscured in condensation or water.

   • The mirror fogged every time he showered.
3. •
   To cover with or as if with fog.
4. •
   To obscure in condensation or water.

   • Unfortunately, the pendulum has swung way too far to the other end where the saying in the industry is is^([sic]) that if you could fog a mirror, you could get a loan. — 2008
5. •
   To become dim or obscure.
6. •
   To make dim or obscure.
7. •
   To make confusing or obscure.
8. •
   To spoil (film) via exposure to light other than in the normal process of taking a photograph.
9. •
   To disperse insecticide into (a forest canopy) so as to collect organisms.
10. •
    To pasture cattle on the fog (of), or aftergrass, of; to eat off the fog from (a field).
11. •
    To become covered with the kind of grass called fog.
12. •
    (no longer used) To practice in a small or mean way; to pettifog.

    • Where wouldst thou fog to get a fee? — 1701

adjective1

1. •
   Initialism of fraudulently-obtained genuine, a type of illicit passport.

noun2

1. •
   Initialism of fat, oil, and grease.
2. •
   Initialism of frequency of gobbledygook: the commonness of long and complicated words in a text, as measured by systems like the Gunning fog index.