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Region: General | Usage example: After the crash the server was dead as a door nail.

Dead as a door nail

Meaning

Completely dead or inactive.

Usage

Describes people, machines, or ideas that can no longer function.

Origin & History

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

Door nails were hammered flat so they could not be reused, emphasizing irreversibility.

Used by Shakespeare and recorded as far back as the 1500s.

Related Idioms

Dead as a doornail

Completely dead or inactive.

Dead to the world

Completely unconscious or unresponsive, especially while sleeping.

Fight tooth and nail

Struggle vigorously and aggressively to achieve something.

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.