Bite your tongue

Meaning

AVoid saying something unwise or hurtful.

Usage

Used when choosing silence.

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.

Literal advice to hold back speech.

Used since the 18th century as a restraint metaphor.