# ferruginous

> English word · Adjective · IPA /fəˈɹudʒənəs/ · frequency rank #73,178

## Definitions
1. Containing iron.
2. Rusty.
3. Rust-colored.

## Etymology
Borrowed from Latin ferrūgineus, from ferrūgo (“rust”).

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