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

But as Haisfield points out, July and August tend to be foggy, and the sun really shows up in September, bringing some of the clearest, warmest days of the year. — Lindsay Cohn, Travel + Leisure, 9 Aug. 2026

Then, winter returned for a brief April interlude, to be followed by an intermittently toasty and foggy May. — Laura Ness, Mercury News, 9 Aug. 2026

This does not include delays from summer tourist traffic or traversing foggy, dangerous roads in the winter. — Judy Stone, Forbes.com, 29 July 2026

The result has been a noticeable rise in ocean temperatures by about six to eight degrees along the coast this past week, which has worked to weaken the marine layer that keeps the coast more foggy. — Sean MacAday, Sacbee.com, 24 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