foggy

adjective

fog·​gy ˈfȯ-gē 

ˈfä-

foggier; foggiest

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

ˈfȯ-gə-lē 

ˈfä-

adverb

fogginess

ˈfȯ-gē-nəs 

ˈfä-

noun

Synonyms of foggy

• hazy
• misty
• rainy
• murky
• clouded

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

Yes, winters are cold and foggy, but retirees who don’t want to forgo metropolitan amenities, such as theatres, museums, and festivals, should look to this northern city. —Elizabeth Heath, Travel + Leisure, 2 Nov. 2025

The transients do not seem to be particles of nuclear fallout that have drifted down onto the photographic plate either, since such particles would produce foggy, diffuse spots, not pinpoint, star-like objects. —Keith Cooper, Space.com, 29 Oct. 2025

Redwoods Coast redwoods thrive along foggy shorelines, creating forests rich with ferns, lichens, moss, and plenty of mushrooms in the fall. —AFAR Media, 28 Oct. 2025

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

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

Rhymes for foggy

• boggy
• doggie
• doggy
• groggy
• soggy
• tragi
• yagi

Kids Definition

foggy

adjective

fog·​gy ˈfȯg-ē 

ˈfäg-

foggier; foggiest

1

: filled with fog

2

: vague sense 2

foggily

-ə-lē 

adverb

fogginess

-ē-nəs 

noun