1

fog

play
noun \ ˈfȯg , fäg \

Definition of fog

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 :a murky condition of the atmosphere or a substance causing it
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 :cloudiness or partial opacity in a developed photographic image caused by chemical action or stray radiation

fogless

play \ˈfȯg-ləs, ˈfäg-\ 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.

Recent Examples of fog from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of fog

probably back-formation from foggy


2

fog

verb

Definition of fog

fogged; fogging
transitive verb
1 :to cover, envelop, or suffuse with or as if with fog
  • fog the barns with pesticide
2 :to make obscure or confusing
  • accusations which fogged the real issues
3 :to make confused
4 :to produce fog on (something, such as a photographic film) during development
intransitive verb
1 :to become covered or thick with fog
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

Recent Examples of fog from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fog.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fog

circa 1592



FOG Defined for English Language Learners

fog

play
noun

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


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 :tiny drops of water floating in the air at or near the ground
2 :a confused state of mind
  • I woke up in a fog.

2

fog

verb

Definition of fog for Students

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


Seen and Heard

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