# sesquipedalian

> English word · Noun · IPA /ˌsɛs.kwɪ.pɪˈdeɪ.lɪ.ən/

## Definitions
1. A long word.
2. A person who uses long words.

## Etymology
From sesquipedal + -ian (adjective- and noun-forming suffix), root from Latin sēsquipedālis (literally “a foot and a half long”), from Latin sēsqui (“one and a half times”) + Latin pedālis (“measuring a foot, foot (relational)”) (an adjective from pēs (“foot”)).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-02.
Canonical page: https://plainspell.com/en/word/sesquipedalian