- Definitions|2
- Thesaurus|308
- Abbreviations|0
11 entries under before topic. ×
| ancient(adjective, original, old, past, primitive) | |
| old(adjective, original, past, primitive, early) | |
| antediluvian(adjective, antiquated, oldness) | |
| primeval(adjective, original, fixed, primitive, early) | |
| archaic(adjective, old, early, antique, antiquated) | |
| primitive(adjective, original, old, past, ancient) | |
| primordial(adjective, original, primitive, early, antique) | |
| antiquated(adjective, old, early, antique) | |
| early | |
| earliest | |
| olden |
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| APA | Smart Define. (2016). prehistoric thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/prehistoric/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, prehistoric thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/synonyms>. |
| MLA | Smart Define. "prehistoric thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/prehistoric/thesaurus/synonyms> |