# sesquilingualism

> English word · Noun

## Definitions
1. The condition of being sesquilingual; the ability to speak one language fluently, and a second language only to a limited extent.

## Etymology
From sesquilingual + -ism.

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