Belt and braces

Meaning

Excessively cautious, applying redundant safeguards.

Usage

Often used in British engineering or risk management contexts.

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.

Refers to wearing both belt and braces (suspenders) to hold pants up.

British since the 19th century; embraced by safety culture.