adjective
crystal
Completely clear in appearance or meaning.
The lake is crystal clear, so we can see the bottom.
Etymology
The source names ice and transparent rock crystal. Their clarity supplies the comparison for something visually clear or for a meaning understood without obscurity.
More examples
- Her explanation makes the rules crystal clear.
- The view through the freshly cleaned window is crystal clear.
- Let me make this crystal clear: everyone must wear a helmet.
Forms
crystal
Similar words
- clear
- Describes visibility or meaning without emphasizing complete clarity.
- transparent
- Often describes see-through materials rather than easily understood explanations.
- lucid
- Describes ideas or explanations expressed clearly, not physical transparency.