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Region: General | Usage example: The instructions were plain as day once she read them.

Plain as day

Meaning

Very obvious.

Usage

Emphasizes certainty.

Origin & History

Origin notes can vary by region and source; this page gives the commonly reported explanation and usage context.

Daylight reveals plainly visible details.

Simple metaphor used in 19th-century literature.

Related Idioms

Plain sailing

Easy progress.

More Idioms

Break the ice

To do or say something to relieve tension or get conversation going in a social situation.

Cut to the chase

Skip ahead to the most important or exciting part of something.

The ball is in your court

It is now your turn to take action or make a decision.

Throw in the towel

To concede defeat or admit a struggle isn't worth continuing.