# fatuous

> English word · Adjective · IPA /ˈfæt.ju.əs/ · frequency rank #72,304

## Definitions
1. Obnoxiously stupid; vacantly silly; content in one's foolishness.

## Etymology
From Latin fatuus (“foolish, silly, simple”).

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