Word.ws English Dictionary

ferruginous

/fəˈɹuːd͡ʒɪnəs/US/fəˈɹud͡ʒənəs/

ferruginous adjective: synonym of ferrous, of or related to iron.

Adjective

ferruginous (comparative more ferruginous, superlative most ferruginous)

  1. Synonym of ferrous, of or related to iron.
    Synonyms:
    ferrous, of or related to iron
  2. Synonym of rusty, of or related to rust, rust-colored.
    • A few miles north of Coquimbo, I met with the ferruginous, balaniferous mass (E) with many silicified bones; I was informed that these silicified bones occur also at Tonguay, south of Coquimbo […]1846, Charles Darwin, Geological Observations on South America
    Synonyms:
    rusty, of or related to rust, rust-colored

Synonyms of ferruginous

All synonyms of ferruginous

Forms of ferruginous

comparativemore ferruginous
superlativemost ferruginous

Origin of ferruginous

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

Words formed from ferruginous

Phrases with ferruginous

Questions about ferruginous

What does ferruginous mean?
Ferruginous means synonym of ferrous, of or related to iron.
What part of speech is ferruginous?
Ferruginous is an adjective.
How do you pronounce ferruginous?
Ferruginous is pronounced /fəˈɹuːd͡ʒɪnəs/ (UK).

Words near ferruginous in the dictionary

  1. ferruginize
  2. ferruginized
  3. ferruginizes
  4. ferruginizing
  5. ferruginol
  6. ferruginous
  7. ferruginous duck
  8. ferruginous ducks
  9. ferruginous hawk
  10. ferruginous hawks
  11. ferruginously

Source and license

Adapted from Wiktionary: ferruginous (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-ferruginous.wav.

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