1

fog

play
noun \ˈfȯg, fäg\

Definition of fog

  1. 1 a :  vapor condensed to fine particles of water suspended in the lower atmosphere that differs from cloud only in being near the ground b :  a fine spray or a foam for firefighting

  2. 2 :  a murky condition of the atmosphere or a substance causing it

  3. 3 a :  a state of confusion or bewilderment <spent the morning in a fog> b :  something that confuses or obscures <hid behind a fog of rhetoric>

  4. 4 :  cloudiness or partial opacity in a developed photographic image caused by chemical action or stray radiation

fogless

play \-ləs\ adjective

Examples of fog in a sentence

  1. Heavy fog made it difficult to see the road.

  2. a climate marked by heavy fogs

  3. The fog reduced visibility to a quarter of a mile.

  4. This problem has me in a fog.

Origin and Etymology of fog

probably back-formation from foggy


First Known Use: 1544


2

fog

verb

Definition of fog

fogged

fogging

  1. transitive verb
  2. 1 :  to cover, envelop, or suffuse with or as if with fog <fog the barns with pesticide>

  3. 2 :  to make obscure or confusing <accusations which fogged the real issues>

  4. 3 :  to make confused

  5. 4 :  to produce fog on (as a photographic film) during development

  6. intransitive verb
  7. 1 :  to become covered or thick with fog

  8. 2 a :  to become blurred by a covering of fog or mist b :  to become indistinct through exposure to light or radiation

Examples of fog in a sentence

  1. The steam from the pot was fogging the window near the stove.

  2. The bathroom was all fogged up after my shower.

  3. politicians who try to fog the issue instead of taking a stand

1599

First Known Use of fog

1599



FOG Defined for English Language Learners

1

fog

play
noun \ˈfȯg, fäg\

Definition of fog for English Language Learners

  • : many small drops of water floating in the air above the ground, the sea, etc.

  • : a state of mental confusion


2

fog

verb

Definition of fog for English Language Learners

  • : to cover or fill (something) with small drops of water : to make (something) foggy

  • : to become foggy

  • : to make (someone or something) confused


FOG Defined for Kids

1

fog

play
noun \ˈfȯg, ˈfäg\

Definition of fog for Students

  1. 1 :  tiny drops of water floating in the air at or near the ground

  2. 2 :  a confused state of mind <I woke up in a fog.>


2

fog

play
verb

Definition of fog for Students

fogged

fogging

  1. :  to cover or become covered with tiny drops of water <Steam from the shower fogged the mirror.>


Medical Dictionary

fog

play
transitive verb \ˈfäg, ˈfȯg\

Medical Definition of fog

fogged

;

fogging

  1. :  to blur (a visual field) with lenses that prevent a sharp focus in order to relax accommodation before testing vision



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