# up one's sleeve

> English word · Prep_phrase

## Definitions
1. Hidden and ready to be produced as needed; in reserve.

## Etymology
From the practice of magicians hiding tricks or gimmicks in the sleeve.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/up-one-s-sleeve