foggy

adjective

fog·​gy ˈfȯ-gē How to pronounce foggy (audio)
ˈfä-
foggier; foggiest
Synonyms of foggynext
1
a
: filled or abounding with fog
a foggy valley
b
: covered or made opaque by moisture or grime
a foggy mirror
2
: blurred or obscured as if by fog
My memory is a little foggy.
I haven't the foggiest notion. [=I have no idea]
foggily adverb
fogginess noun

Examples of foggy in a Sentence

I don't remember what her name was—my memory is a little foggy. it's pretty foggy outside, so be careful driving home
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The outlet reported that the crash occurred in foggy conditions. Becca Longmire, PEOPLE, 23 Dec. 2025 Driving in foggy conditions A dense fog advisory is issued by your local National Weather Service office when widespread dense fog develops. Kansas City Star Weather Bot, Kansas City Star, 23 Dec. 2025 On a foggy morning, participants gathered to log miles by walking or running, with pledges collected for every mile completed. Karen Billing, San Diego Union-Tribune, 22 Dec. 2025 The foggy conditions are expected to persist through Tuesday morning. CBS News, 22 Dec. 2025 See All Example Sentences for foggy

Word History

Etymology

earlier, spongy, marshy, thick, probably from fog second growth of grass, from Middle English fogge

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of foggy was in the 15th century

Browse Nearby Words

Cite this Entry

“Foggy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/foggy. Accessed 24 Dec. 2025.

Kids Definition

foggy

adjective
fog·​gy ˈfȯg-ē How to pronounce foggy (audio)
ˈfäg-
foggier; foggiest
1
: filled with fog
2
foggily adverb
fogginess noun

More from Merriam-Webster on foggy

Last Updated: - Updated example sentences
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