fog

1 of 2

noun

ˈfȯg How to pronounce fog (audio)
fäg
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
ˈfȯg-ləs How to pronounce fog (audio)
ˈfäg-
adjective

fog

2 of 2

verb

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

Noun Heavy fog made it difficult to see the road. a climate marked by heavy fogs The fog reduced visibility to a quarter of a mile. This problem has me in a fog. Verb The steam from the pot was fogging the window near the stove. The bathroom was all fogged up after my shower. politicians who try to fog the issue instead of taking a stand
Recent Examples on the Web
Noun
The en suite bathroom, which was featured in a local design magazine in 2009, was inspired by memories of fog rolling over the hills around Furfaro’s former San Francisco home — with gray, green and white tones surrounding the stainless-steel Japanese soaking tub. Sophia Solano, Washington Post, 5 July 2024 Bay Area residents near the water saw something familiar when the sun rose Wednesday morning — a fairly heavy level of coastal fog that was generating a cool breeze moving in from the ocean. Rick Hurd, The Mercury News, 26 June 2024
Verb
The Louisville Metro Department of Public Health and Wellness will conduct mosquito fogging in three different Louisville zip codes in response to mosquitoes testing positive for West Nile virus, according to a release. Ana Rocío Álvarez Bríñez, The Courier-Journal, 9 July 2024 Then exhale the air out of the mouth, keeping the restriction of the throat and maintaining the oceanic sound—as if fogging up a mirror with the breath. Finnian Kelly, TIME, 8 July 2024 See all Example Sentences for fog 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'fog.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Noun

probably back-formation from foggy

First Known Use

Noun

1544, in the meaning defined at sense 1a

Verb

circa 1592, in the meaning defined at transitive sense 1

Time Traveler
The first known use of fog was in 1544

Dictionary Entries Near fog

Cite this Entry

“Fog.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fog. Accessed 12 Jul. 2024.

Kids Definition

fog

1 of 2 noun
ˈfȯg How to pronounce fog (audio)
ˈfäg
1
a
: fine particles of water floating in the atmosphere near the ground
b
: a fine spray or a foam for firefighting
2
: a gloomy condition of the atmosphere or a substance causing it
3
: a state of mental confusion
spent the morning in a fog

fog

2 of 2 verb
fogged; fogging
1
: to cover or become covered with or as if with fog
2
: to make confused

Medical Definition

fog

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

More from Merriam-Webster on fog

Last Updated: - Updated example sentences
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