Synonyms|106Antonyms|61|Broader|4Narrower|0Related|137
2
ancient
1
antiquated
1
characteristic(noun, adjective)
0
high
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APASmart Define. (2016). prehistoric thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/prehistoric/thesaurus/broader
ChicagoSmart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/broader (accessed September 22, 2026).
HarvardSmart Define 2016, prehistoric thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/broader>.
MLASmart Define. "prehistoric thesaurus" 29 February 2016. Web. 22 September 2026. <https://smartdefine.org/prehistoric/thesaurus/broader>