# hey up

> English word · Interjection

## Definitions
1. A greeting.
2. Used to get attention, or as a warning.

## Etymology
From high up as a warning. Written heigh up by Joseph Wright in The English Dialect Dictionary. Always pronounced with the diphthong /ɛɪ/ as was formerly used in high in these dialects. Never pronounced /eː/ as used in hay.

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