Related Clues:

• Run through the gantlet, say
• "Purple ___" (Hendrix classic)
• Fine droplets
• Confusion caused by lack of clarity
• Heat shimmer
• Failed to make contact, say, in poor visibility
• A couple of roads in the fog
• Lost, say, in fog
• Light mist
• Frenchman and I lead the way despite the haze
• Obscure bit of chemistry
• Clearly it cannot be seen through in the heat
• Grass after mowing's called fog
• What makes it hard to see half the errors
• Mist somewhere in Middlesex, we hear