- FOGS
- Obscures
- Heavy mists
- Airport dangers
- Confused states
- They're tough to see through
- Problems for lighthouses
- Mists over
- Obfuscates
- Hazes
- London forecasts
- Tarmac hazards
- Gets all misty
- Obscuring hazes
- Stupefies
- Obscures, as with moisture
- Confuses
- Driving hazards
- Clouds (up)
- Becomes misty, with "up"
- Mists
- Gets hazy, with "up"
- Hazy mental states
- Obscures, in a way, with "up"
- Turns opaque, with "up"
- Confused mental states
- Steams (up)
- Gets misty, with "up"
- Mists (up)
- Breathes on glass, say
- Obscures, with "up"
- Visibility-reducing mists
- Becomes hazy, with "up"
- They can be hard to drive in
- They often 59 Across
- Horror film effects
- Becomes 37 Down, with "up"
- Becomes hard to see through, with "up"
- Bedims.
- Weather phenomena.
- They come "on little cat feet."—Sandburg.
- States of confusion.
- Beclouds.
- Pea soups
- Blurs
- Beclouds, with "up"
- Reasons for lighthouses
- Frequent San Francisco conditions
- They're hard to see through
- Muddles
- Gets steamy, with "up"
- Becomes obscure, in a way, with "up"
- Mistifies?
- Becomes difficult to see through, with "up"
- Gets hard to see through, in a way, with "up"
- They may roll in
- Visibility reducers
- Bewildered mental states
- ___ up (becomes hazy)
- Cloudy creations
- Gets cloudy (with "up")
- Makes indistinct
- Clouds, as the mind
- Pea-soupers
- Low-visibility conditions
- ___ up (gets steamy)
- Bug bombs' output
- Banks of London?