# knucklehead

> English word · Noun · IPA /ˈnʌkl̩ˌhɛd/ · frequency rank #76,921

## Definitions
1. An idiot; a stupid or inept person.

## Etymology
From knuckle + head.

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