Simple Definition of foggy
: having or filled with fog
: covered with small drops of water
: not clear : vague or confused
Examples of foggy
I don't remember what her name was—my memory is a little foggy.
<it's pretty foggy outside, so be careful driving home>
Origin of foggy
earlier, spongy, marshy, thick, probably from fog second growth of grass, from Middle English fogge
First Known Use: 15th century
Seen and Heard
What made you want to look up foggy? Please tell us where you read or heard it (including the quote, if possible).