Related Clues:

• Lacking clarity
• Hard to see
• Nebulous
• Completely obscure
• Murky
• Less than clear
• Not too clear
• Not allowing light to pass through
• Not translucent
• Having a bit of smog
• Hard to discern
• Hard to see through
• Like a smoke-filled room
• Tinted by beer goggles, say
• Like much coastal weather