absolutely clear; transparent; lucid.

Origin of crystal-clear

First recorded in 1510–20 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for crystal-clear

Contemporary Examples of crystal-clear

Historical Examples of crystal-clear

  • The air was so crystal-clear that no glass was needed to aid the eye.

    Turned Adrift

    Harry Collingwood

  • But the skies have cleared, the wind has gone, and the weather is crystal-clear again.

    The Prairie Child

    Arthur Stringer

  • Some are filled with crystal-clear water, the nectar of the gods.

  • And the water is so crystal-clear, that down in the dark it is like a dream.

    The Maid of Sker

    Richard Doddridge Blackmore

  • The rest is sweet, conscience is crystal-clear, and "what one does is of consequence."

    The American Country Girl

    Martha Foote Crow