# killjoy

> English word · Noun · IPA /ˈkɪlˌd͡ʒɔɪ/ · frequency rank #70,001

## Definitions
1. A person who is anti-fun, or prevents others from having fun.

## Etymology
From kill + joy, first attested in 1776.

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