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

34 entries under adjective topic. ×

2
immemorial(old, ancient)
2
original
2
outdated
2
outmoded
2
time period
1
Noachic
1
bygone
1
period of time
0
age-old(fixed, early, antique, primordial)
0
elemental
0
first
0
hoary(early, antique, primordial)
-1
period
-1
primeval orprimaeval
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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>