Meaning & Definition
noun
A thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface, which obscures visibility.
The fog rolled in from the sea, enveloping the coastal town in gray.
A state of mental confusion or lack of clarity.
After the long meeting, I felt a fog in my mind and struggled to concentrate.
verb
To cover or become covered with fog.
The windows fogged up from the steam of the hot soup.
To make unclear or confused.
The sudden noise fogged her thoughts, making it hard to think.
Etymology
Middle English 'fogge', of unknown origin.
Common Phrases and Expressions
in a fog:
In a state of confusion or bewilderment.
fog of war:
The uncertainty in situational awareness experienced by participants in military operations.
walking through a fog:
Being in a confused or unclear state.
Slang Meanings
To be confused or out of touch.
I'm totally fogged about what's happening in the meeting.
To obscure understanding or clarity.
His explanation just fogged things up more than they already were.