noun

1. Obsolete any rock or mineral dug out of the earth
2. any hardened remains or imprints of plant or animal life of some previous geologic period, preserved in the earth's crust, including petrified wood and various resins
3. anything fossilized or like a fossil
4. a person who is old-fashioned or has outmoded, fixed ideas

Etymology: Fr fossile < L fossilis, dug out, dug up < fossus, pp. of fodere, to dig up < IE *bhedh-, to dig in the earth > Welsh bedd, grave, OE bedd, bed

adjective

1. of, having the nature of, or forming a fossil or fossils
2. belonging to the past; unchanged by progress; antiquated