# use it or lose it

> English word · Phrase

## Definitions
1. Skills or knowledge that are seldom applied are likely to be lost with time.
2. Property and privileges will be lost if they are not utilized.
3. One's physical fitness will gradually decline if one does not exercise regularly.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/use-it-or-lose-it