crystal clear
adjective
Forms crystal clearer crystal clearest crystal-clear
- adjective Without ambiguity or doubt; completely understood. “Reread through the manual until the instructions are crystal clear in your head.”
- adjective Visually clear, a sharp image, of high acuity. “The picture on this TV is crystal clear – you can see every grain of sand!”
- adjective Very translucent or transparent.
- adjective Having no clouds.
- adjective Aurally clear.
Synonyms
clear as crystal pellucid plain as day obvious crystalline limpid lucid transparent luculent perspicuous
Etymology
From Middle English cristal cleer. Emphatic form of clear in visual and metaphorical “understandable” senses. Compare clear as a bell (“very clear (of sound)”).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “crystal clear”, CC BY-SA 4.0. Details