# fatuously

> English word · Adverb · IPA /ˈfæt.ju.əs.li/

## Definitions
1. With smug stupidity or vacuous silliness; idiotically.

## Etymology
From fatuous + -ly.

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