Related Clues:

• Cause of low visibility
• Fog
• Daze
• Befuddle
• ''Purple ---'' (rock classic)
• Part of a summer forecast
• Film
• Mist
• Near mist?
• Awful smell
• Befuddled state
• Smog, e.g.
• Sun block
• Highway hazard
• Harass, in a way