foggy
Americanadjective
-
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
- foggily adverb
- fogginess noun
- unfoggy adjective
Etymology
Origin of foggy
First recorded in 1520–30; fog 2 + -y 1; original sense was “marshy, thick, murky”
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.
Growing up on his family’s East Contra Costa County farm in the 1960s, Dennis Baldocchi thought the whole world was foggy until a friend took him on a hike that climbed above it.
From The Wall Street Journal • Mar. 29, 2026
On a foggy winter morning captain Khetsopon Nopsiri led a six-strong Thai army patrol along dirt tracks through the forest, assault rifles at the ready.
From Barron's • Mar. 10, 2026
At least five people have been killed after a Mexican Navy plane crashed in foggy conditions near Galveston, Texas on Monday while transporting a child burns victim.
From BBC • Dec. 23, 2025
After making 11 changes for the League Cup quarter-final win at third-tier Cardiff on Tuesday, Maresca reverted to his senior stars, but they made a dismal start on foggy Tyneside.
From Barron's • Dec. 20, 2025
Though the world became foggy around the edges, she yanked Damaris from its skull.
From "Throne of Glass" by Sarah J. Maas
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Definitions 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.