Related Clues:

• Lose luster
• Low-I.Q.
• Underlit
• Turn down?
• Opposite of ''brighten''
• Reduce in intensity
• Not real smart
• Not too sharp
• Fade, as prospects
• Poorly lit .
• Lower the beam
• Indefinite
• Hard to read by, as light
• Shadowy, indistinct
• Not bright, shadowy