Suddenly the demon's eyes lost all their light, and became opaque and colorless.

Swiftly, the light faded, the skin became opaque, but his whole arm pulsed with a pattern of pain.

The rest of the window darkened and became opaque, then lightened to become reflective.

"The clear line of success has become very opaque."

The glass top of the coffin had become opaque.

Now, Bond noticed that though the eyes rested on him they had become slightly opaque.

It is probably transparent in life with the tissues becoming opaque after death.

The expression changed, became alien and opaque, then changed back again.

Soon the vision-ring dimmed, became opaque, rose up away from his head.

I felt my eyes becoming opaque as if a wall had gone up to seal off the windows of my thoughts.