6 entries under primordial topic. ×

12
antique(adjective, old, traditional, early, antiquated)
10
antiquated(adjective, old, early, antique, before)
6
old-fashioned(adjective, old, traditional, early, antique)
4
obsolete(noun, adjective, old, traditional, early)
0
age-old(adjective, fixed, early, antique)
0
hoary(adjective, early, antique)
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APASmart Define. (2016). prehistoric thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/prehistoric/thesaurus/synonyms
ChicagoSmart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, prehistoric thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/synonyms>.
MLASmart Define. "prehistoric thesaurus" 29 February 2016. Web. 28 September 2026. <https://smartdefine.org/prehistoric/thesaurus/synonyms>