foggy

 
Pronunciation: /ˈfɒgi/

adjective (foggier, foggiest)

  • 1full of or characterized by fog: a dark and foggy night
  • 2unable to think clearly; confused: she was foggy with sleep
  • indistinctly expressed or remembered; obscure: my memories of the event are foggy

Phrases

not have the foggiest (idea or notion)

informal, chiefly British have no idea at all.

Derivatives

foggily

adverb

fogginess

noun

Origin:

late 15th century: perhaps from fog2