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)
16
prehistoric(adjective, original, high, fixed, primitive)
15
aboriginal(adjective, violent, head, beginning, vicious)
14
ancient(adjective, original, old, past, primitive)
14
primal(adjective, beginning, old, venerable, antique)
13
original(adjective, violent, head, beginning, vicious)
11
antediluvian(adjective, original, high, old, venerable)
11
first(adjective, order, beginning, original, primitive)
10
incipient(adjective, head, beginning, opening, original)
8
beginning(adjective, head, beginning, original, prime)
8
primary(adjective, violent, head, beginning, vicious)
8
pristine(adjective, violent, head, beginning, vicious)
7
antique(adjective, last, original, old, venerable)
7
embryonic(adjective, beginning, authentic, first, previous)
7
initial(adjective, head, beginning, original, prime)
7
primaeval(adjective, head, original, prime, primitive)
7
prime(adjective, head, beginning, fresh, first)
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APASmart Define. (2016). primeval thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/primeval/thesaurus/synonyms
ChicagoSmart Define. 2016. "primeval thesaurus" https://smartdefine.org/primeval/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, primeval thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/primeval/thesaurus/synonyms>.
MLASmart Define. "primeval thesaurus" 29 February 2016. Web. 20 September 2026. <https://smartdefine.org/primeval/thesaurus/synonyms>