crystal clear

Definition from Wiktionary, the free dictionary
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See also: crystal-clear


Alternative forms[edit]


Emphatic form of clear in visual and metaphorical “understandable” senses. Compare clear as a bell (very clear (of sound)).


  • (file)


crystal clear (not comparable)

  1. (idiomatic) Completely clear and understood.
    Reread through the manual until the instructions are crystal clear in your head.
  2. (idiomatic) Visually clear, a sharp image, high acuity.
    The picture on this TV is crystal clear – you can see every grain of sand!

Usage notes[edit]

In sense “understanding”, used both of explanations (by speaker) – “Her explanation of integration was crystal clear,” – and of understanding (by listener) “Is this crystal clear in that thick head of yours?”


Coordinate terms[edit]

Derived terms[edit]


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