foggy

adjective

fog·​gy ˈfȯ-gē How to pronounce foggy (audio)
ˈfä-
foggier; foggiest
1
a
: filled or abounding with fog
b
: covered or made opaque by moisture or grime
2
: blurred or obscured as if by fog
hadn't the foggiest notion
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.
Driving in foggy conditions A dense fog advisory is issued by your local National Weather Service office when widespread dense fog develops. Ca Weather Bot, Sacbee.com, 28 Oct. 2025 On a foggy November morning in 1882, Maunder noticed another, even bigger spot on the crimson Sun. Literary Hub, 27 Oct. 2025 What feels comfortable to you can feel foggy when others’ needs infiltrate your foundation. Usa Today, USA Today, 26 Oct. 2025 Though its only about 3-4 hours north of San Francisco, Mendocino feels a world away — quiet, foggy, and surrounded by rugged natural beauty. Noreen Kompanik, Boston Herald, 19 Oct. 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 29 Oct. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!