Part of speech: adjective

Petrified; outworn; antiquated.

Part of speech: noun

A body, as the petrified form of a plant or an animal, preserved in earth or rock.

Part of speech: noun

A person or thing out of date.

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Usage examples "fossil":

  1. Since I wrote you, some things have become more clear to me, as, for instance, my purpose of publishing the " Fossil Fishes" here. - "Louis Agassiz: His Life and Correspondence", Louis Agassiz.
  2. 390; fossil plants at, ii. - "The Voyage of the Vega round Asia and Europe, Volume I and Volume II", A.E. Nordenskieold.
  3. The Haplodontidae is also an American family, founded on one genus, but an existing and not a fossil animal. - "Natural History of the Mammalia of India and Ceylon", Robert A. Sterndale.