What is the meaning of foggy?

adjective

• Stunned or confused and slow to react (as from blows or drunkenness or exhaustion.
  • synonyms: dazed, groggy, logy, stuporous
• Indistinct or hazy in outline.
  • usage: "a landscape of blurred outlines"; "the trees were just blurry shapes"
  • synonyms: bleary, blurred, blurry, fuzzy, hazy, muzzy
• Filled or abounding with fog or mist.
  • usage: "a brumous October morning"
  • synonyms: brumous, hazy, misty
• Obscured by fog.
  • usage: "he could barely see through the fogged window"
  • synonyms: fogged