Transparent

Words that describe how well you can see through something.

• What words describe something that can be seen through?
  transparent clear see-through glassy clear as crystal crystal clear show through unclouded crystalline sheer limpid vitreous
• What words describe something that light shines through but you can't see through clearly?
  translucent frosted cloudy clouded hazy dim unclear vague foggy smoky indistinct faint misty muddy shadowy turbid
• What words describe something that cannot be seen through?
  opaque obscure dark darkened impervious-to-light