# sui generis

> English word · Adjective · IPA /suˑ.i ˈɡɛnɛɹɪs/

## Definitions
1. In a class of its own; one of a kind.

## Etymology
Borrowed from Latin suī generis (literally “of its own kind/class”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/word/sui-generis