unfossiliferous

adjective

un·​fos·​sil·​if·​er·​ous ˌən-ˌfä-sə-ˈli-f(ə-)rəs How to pronounce unfossiliferous (audio)
: not containing fossils : not fossiliferous
a block of unfossiliferous limestone

Word History

First Known Use

1836, in the meaning defined above

Time Traveler
The first known use of unfossiliferous was in 1836

Rhymes for unfossiliferous

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Browse Nearby Words

unfortunateness
unfossiliferous
unfought
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Cite this Entry

“Unfossiliferous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unfossiliferous. Accessed 8 Jul. 2026.

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