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

In Silent Hill 2, the game starts with James Sunderland reading a note from his dead wife, giving us a reason to move into this suspiciously foggy town. — Zackery Cuevas, PC Magazine, 21 Sep. 2026

Zach Johnson won the Pure Insurance Championship on Sunday at foggy Pebble Beach for his second straight PGA Tour Champions victory and the sixth in his first season on the 50-and-over circuit. — ABC News, 20 Sep. 2026

Collateral damage, like Final Solution, is too foggy to arouse anything at all. — Literary Hub, 18 Sep. 2026

Others are dry mouth, headache and a foggy, out-of-it feeling. — Hanna Wickes, Charlotte Observer, 9 Sep. 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