Related Clues:

• Visibility hamperer
• Break a pledge?
• Mental cloudiness
• Indistinctness
• Harass, frat-style
• Low-visibility cause
• Thin mist
• Slight atmospheric mist
• Mistiness
• Fish of salmon family
• Slight mist
• Run through the gantlet, say
• "Purple ___" (Hendrix classic)
• Confusion caused by lack of clarity
• Heat shimmer