2
vestige
2
veteran(adjective, tired, gray, mature, aged)
1
balance
1
Noachian
1
aboriginal
1
afterglow
1
afterimage
1
aged(tired, old, gray, mature, venerable)
1
ancestral
1
ancient manuscript
1
antebellum
1
antiquity
1
archaism
1
artefact
1
artifact
1
block
1
board
1
brick
1
broken down(expression, tired, gray, mature, aged)
1
butt
11 years ago|6k views|share |citing 
APASmart Define. (2015). fossil thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fossil/thesaurus/synonyms
ChicagoSmart Define. 2015. "fossil thesaurus" https://smartdefine.org/fossil/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, fossil thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fossil/thesaurus/synonyms>.
MLASmart Define. "fossil thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/fossil/thesaurus/synonyms>