Synonyms|106Antonyms|61|Broader|4Narrower|0Related|137
1
Ogygian
1
antemundane
1
antepatriarchal
1
atavistic
1
autochthonous
1
bygone
1
classic
1
coelacanth
1
colonial
1
demode
1
erstwhile
1
fore
1
forgotten
1
former
1
humanoid
1
late
1
onetime
1
out of date(expression, idiom)
1
period of time
1
prehistory
For more, visit Prehistoric on Power Thesaurus
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APASmart Define. (2016). prehistoric thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/prehistoric/thesaurus/synonyms
ChicagoSmart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, prehistoric thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/synonyms>.
MLASmart Define. "prehistoric thesaurus" 29 February 2016. Web. 25 September 2026. <https://smartdefine.org/prehistoric/thesaurus/synonyms>