# run on empty

> English word · Verb

## Definitions
1. To be losing enthusiasm or willingness; to lack motivation.

## Etymology
An allusion to a vehicle operating with the fuel gauge pointing to empty or near empty, likely to stop running in the very near future.

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