Related Clues:

• Make less bright
• Miserably moist
• Switch to low beam
• Murky
• On the clammy side
• Sombre
• Lower, as headlights
• Cold and damp, as a basement
• Lower, as the lights
• Dusky
• Lacking light
• Lower, as lights
• Like many basements
• Badly lit
• Not very likely