# ibufenac

> English word · Noun

## Definitions
1. The carboxylic acid 4-isobutylphenylacetic acid once used in the treatment of rheumatoid arthritis

## Etymology
From i(so)bu(tyl) + -fenac (“phenyl acetate”).

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