43 entries under obsolete topic. ×

22
primordial(adjective, violent, head, beginning, vicious)
20
primitive(adjective, start, violent, head, beginning)
17
early(adjective, head, beginning, last, original)
17
old(adjective, beginning, original, old, past)
15
aboriginal(adjective, violent, head, beginning, vicious)
13
original(adjective, violent, head, beginning, vicious)
11
antediluvian(adjective, original, high, old, venerable)
8
pristine(adjective, violent, head, beginning, vicious)
7
antique(adjective, last, original, old, venerable)
5
immemorial(adjective, last, original, old, outdated)
5
past(adjective, last, original, past, primitive)
5
remote(original, high, old, venerable)
3
old-time(adjective, last, original, past, primitive)
2
bygone(adjective, original, old, past, venerable)
2
erstwhile(last, original, past, primitive, venerable)
2
late(last, original, past, primitive, venerable)
2
once(last, original, past, primitive, venerable)
2
onetime(last, original, past, primitive, venerable)
2
quondam(last, original, past, primitive, venerable)
2
sometime(last, original, past, primitive, venerable)
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APASmart Define. (2016). primeval thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/primeval/thesaurus/synonyms
ChicagoSmart Define. 2016. "primeval thesaurus" https://smartdefine.org/primeval/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, primeval thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/primeval/thesaurus/synonyms>.
MLASmart Define. "primeval thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/primeval/thesaurus/synonyms>