# fentanil

> English word · Noun

## Definitions
1. Alternative spelling of fentanyl; which is the international non-proprietary name.

## Etymology
From -fentanil, from fentanyl.

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