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

Others are dry mouth, headache and a foggy, out-of-it feeling. — Hanna Wickes, Charlotte Observer, 9 Sep. 2026

On a foggy spring morning in 1977, two jumbo Boeing 747s collided at Los Rodeos Airport. — Colson Thayer, PEOPLE, 3 Sep. 2026

The Further, in other words, doesn’t just have to be a foggy, dim netherworld. — Bilge Ebiri, Vulture, 21 Aug. 2026

Brain Fog Feeling mentally foggy or having difficulty concentrating could be a subtle sign that your omega-3 levels are low. — Lindsay Curtis, Verywell Health, 20 Aug. 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