Foggy (adjective)

1. Filled with fog or mist; characterized by low visibility.
2. Indistinct or hazy; not clear or sharp.

Origin:

From the middle english word "foggie," from the old english "fugol" meaning misty or damp.

Examples:

1. It was a foggy morning, and visibility was poor on the road.
2. The city was shrouded in a thick foggy blanket, making it difficult to see.
3. I can't see clearly, everything is foggy in the morning.
4. The glasses fogged up in the cold weather.
5. The memory of the event was foggy, he couldn't remember it clearly.