foggy

1 of 2

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

fogginess

2 of 2

noun

fog·​gi·​ness -gēnə̇s 

-gin-

plural -es

: the quality or state of being foggy

Synonyms of foggy

Adjective

• hazy
• misty
• rainy
• murky
• clouded

Examples of foggy in a Sentence

Adjective

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

Adjective

Everyone—joggers, dogs on walks—looked far more chipper than me in the 60-degree foggy weather. — Marisa Meltzer, Vanity Fair, 17 July 2026

Yes, winters are cold and foggy, but retirees who don’t want to forgo metropolitan amenities, such as theaters, museums, and festivals, should look to this northern city. — Elizabeth Heath, Travel + Leisure, 10 July 2026

Outside it will be foggy this morning with skies clearing by the start of the match. — Aaron Mentkowski, New York Times, 10 July 2026

In the San Gabriel Mountains, a blue wind phone stands on a foggy forest ridge near a roadside turnout in Wrightwood. — Staff Photographer, Los Angeles Times, 6 July 2026

Word History

Etymology

Adjective

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

First Known Use

Adjective

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