# keep up

> English word · Verb

## Definitions
1. To maintain; to preserve; to prevent from deteriorating or falling.
2. To continue with (work, etc).
3. To stay even or ahead.
4. To ensure that one remains well-informed about something.
5. To prevent someone from going to bed or to sleep
6. To use capital letters as much as reasonable.

## Etymology
From Middle English kepen up (“to perpetuate, maintain, preserve”), equivalent to keep + up.

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