Take the wind out of your sails

Meaning

Deflate someone's momentum or confidence.

Usage

Used when describing sudden discouragement.

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.

Sailing phrase about losing progress when wind dies.

Nautical writing from the 18th century included the imagery.