English Reference

Idiom

crystal clear

Meaning

Completely clear (in various senses).

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.

Examples

“The instructions for the project are crystal clear.”

“After the manager explained the new policy, the expectations for the team were crystal clear.”

“Despite the complexity of the legal argument, the judge made his final ruling crystal clear to everyone in the courtroom.”

Examples

simple

“The instructions for the project are crystal clear.”

contextual

“After the manager explained the new policy, the expectations for the team were crystal clear.”

complex

“Despite the complexity of the legal argument, the judge made his final ruling crystal clear to everyone in the courtroom.”

Origin

From Middle English *cristal cleer*, the phrase serves as an emphatic form of *clear* in both its visual and metaphorical senses. The comparison of lucidity to the transparency of quartz crystal dates to the 14th century, paralleling the auditory equivalent *clear as a bell*.

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English Reference