foggy
Americanadjective
-
foggier,
comparative
-
foggiest
superlative
-
thick with or having much fog; misty.
a foggy valley;
a foggy spring day.
-
covered or enveloped as if with fog.
a foggy mirror.
-
(of thinking, ideas, etc.) dim or unclear as if obscured by fog; vague.
I haven't the foggiest notion of where she went.
- Synonyms:
- muddleheaded, muddled, fuzzy, befuddled
-
Difficulties with memory, concentration, attention, and fatigue left me feeling foggy and muddled much of the time.
-
Photography. affected by fog.
adjective
-
thick with fog
-
obscure or confused
-
another word for fogged
-
no idea whatsoever
I haven't the foggiest
Other Word Forms
Derived Forms
Inflected Forms
Adjectives
Etymology
Origin of foggy
First recorded in 1520–30; fog 2 + -y 1; original sense was “marshy, thick, murky”
Explanation
Something that's foggy is cloudy or murky, filled with fog. A foggy view is blurred and indistinct, just like a foggy mind. Driving on a foggy road can be tricky, since it's more or less like driving inside a cloud. When the inside of your head feels this way — blurry, clouded, and vague — you can also used foggy in a figurative way: "Her memory grew foggy as the years went by." Experts aren't sure whether foggy or fog came first, but in either case they suspect a Scandinavian root.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Further foggy starts are expected with some patches likely to become dense and slow to clear, potentially causing reduced visibility and travel disruption.
From BBC ● Oct. 31, 2026
The first died less than 10 minutes after departing the boat ramp: One moment, barreling along at full chat; the next, suddenly quiet, sloshing to a halt in the middle of the foggy channel.
From The Wall Street Journal ● Oct. 10, 2026
That more humid air combined with light winds across England and Wales into Tuesday means it will start off rather misty and foggy with areas of low cloud for some.
From BBC ● Sep. 21, 2026
Over the coming months, I talked to half a dozen more strangers, and with each little bit of banter, the foggy air of anguish that had surrounded me slowly began to evaporate.
From Los Angeles Times ● Aug. 28, 2026
The foggy night worked as a salve, taking the sting out of words.
From "When Dimple Met Rishi" by Sandhya Menon
For 21-year-old Marwa, the momentary burst of relief, of hopefulness, at having gotten out of Kabul in 2021 was morphing into something darker and foggier.
From The Wall Street Journal ● Sep. 6, 2026
"And then the rain picks up and it gets foggier, and you hear something nearby and you're like, 'Oh, okay.' Suddenly you realise you're really vulnerable. You're really exposed."
From BBC ● Aug. 29, 2026
Alan Greenspan’s legacy is alive and well, JPMorgan’s line of succession becomes foggier, and SoftBank releases another wacky PowerPoint.
From Slate ● Jun. 27, 2026
It’s likely that her grief is making the future even foggier.
From MarketWatch ● Apr. 25, 2026
Next morning dawned colder and foggier than ever, and even Wolf seemed dejected as he led them upstream.
From "Wolf Brother" by Michelle Paver
The seven-week study window covered the time of year when Heber Valley is the foggiest.
From Science Daily ● Dec. 29, 2023
Shifting away from the foggiest areas could save a little time and reduce the risk of accidents.
From Scientific American ● May 1, 2023
"I haven't got the foggiest when I'll be able to go home. I'm keeping my fingers crossed... because it will make a big difference."
From BBC ● Feb. 15, 2023
O’Hara I haven’t the foggiest idea, and thank God I don’t have to answer that question.
From New York Times ● Jan. 27, 2020
It dawns on me that he hasn’t got the foggiest notion of what he just said.
From "Blended" by Sharon M. Draper
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Get a wordDefinitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
