Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “crystal clear”

crystal clear

adjective [not gradable]  /ˈkrɪs·təl ˈklɪər/
very clear or very obvious: The townspeople have made it crystal clear that they don’t want the new highway built.
(Definition of crystal clear adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definitions of “crystal clear” in other dictionaries

Translations of “crystal clear”

Word of the Day


something that you do to prepare yourself for an activity, especially gentle exercises before a physical activity

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More