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Region: US | Usage example: They served the whole nine yards at the celebration.

The whole nine yards

Meaning

Everything possible or available.

Usage

Used when describing total effort.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Multiple theories, possibly from ammunition belts in WWII.

Became American slang in the mid-20th century.