# clear as crystal

> English word · Adjective

## Definitions
1. Entirely transparent.
2. Easily understandable.

## Etymology
From Middle English clere as cristel.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/clear-as-crystal