# heyo

> English word · Interjection

## Definitions
1. hey; hallo; a casual greeting
2. hey; hello; a casual greeting.

## Etymology
From hey + -o.

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