Fossil
Fossil adjective - Characteristic of a fossil.
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Synonyms for Fossil
Old and fossil are semantically related In some cases you can use "Old" instead an adjective "Fossil".
Mutual synonyms
Both words in one sentence
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Well, to twist an old saying, where there's a fossil, there's a way...a way to bring it Back from the Dead with a dose of Applied Phlebotinum.
Source: Fossil Revival - Fossil nests and eggs show that at least hadrosaurs were devoted mothers, like many modern birds are, and looked after their babies until they were old enough to fend for themselves.
Source: Useful Notes / Dinosaurs -
So Dresden animated Sue, a nearly-complete dinosaur fossil over sixty-five million years old.
Source: Cool vs. Awesome
Cite this Source
Old and Fossil. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fossil/old
Fossil & Old. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fossil/old>.
Old or Fossil. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fossil/old.
Google Ngram Viewer shows how "fossil" and "old" have occurred on timeline