# stay up

> English word · Verb

## Definitions
1. Used other than figuratively or idiomatically: see stay, up.
2. To remain awake; to not go to bed.
3. To maintain an erection.

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