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

Loftis has his own traumatic history with the town of Widow’s Bay, but remains skeptical until he is scratched by an ethereal creature on a foggy night. —Stephen Rodrick, Rolling Stone, 16 June 2026

Detailing Cars Ketchup can be used to polish chrome and clean foggy headlights. —Brandee Gruener, Southern Living, 8 June 2026

Persistent headaches, scratchy throats and that foggy, fatigued feeling that never quite lifts may not be a virus or seasonal pollen. —Lauren Jarvis-Gibson, Charlotte Observer, 8 June 2026

George recalled that the weather was foggy and Dave, who was a pilot for Delta, had expressed concern about the conditions. —Hannah Sacks, PEOPLE, 8 June 2026

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