Synonyms|307Antonyms|6|Broader|7Narrower|8Related|78
2
antemundane
2
asshole
2
bone
2
classic(noun, oldness)
2
crag(noun, hardness)
2
crystal(noun, hardness)
2
elderly(adjective, tired, old, gray, mature)
2
end
2
flint
2
fud
2
old-fashioned
2
old fogy
2
outdated
2
petrification
2
primeval(adjective, oldness)
2
primordial(adjective, oldness)
2
rag
2
rest
2
ruin
2
ruins
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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>