Synonyms|106Antonyms|61|Broader|4Narrower|0Related|137

5 entries under original topic. ×

26
ancient(adjective, old, past, primitive)
17
old(adjective, past, primitive, early)
13
primeval(adjective, fixed, primitive, early)
12
primitive(adjective, old, past, ancient)
11
primordial(adjective, primitive, early, antique)
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APASmart Define. (2016). prehistoric thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/prehistoric/thesaurus/synonyms
ChicagoSmart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, prehistoric thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/synonyms>.
MLASmart Define. "prehistoric thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/prehistoric/thesaurus/synonyms>