- Definitions|2
- Thesaurus|308
- Abbreviations|0
11 entries under early topic. ×
| ancient(adjective, original, old, past, primitive) | |
| old(adjective, original, past, primitive) | |
| primeval(adjective, original, fixed, primitive) | |
| antique(adjective, old, traditional, antiquated) | |
| archaic(adjective, old, antique, antiquated) | |
| primordial(adjective, original, primitive, antique) | |
| antiquated(adjective, old, antique, before) | |
| old-fashioned(adjective, old, traditional, antique) | |
| obsolete(noun, adjective, old, traditional) | |
| age-old(adjective, fixed, antique, primordial) | |
| hoary(adjective, antique, primordial) |
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| APA | Smart Define. (2016). prehistoric thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/prehistoric/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "prehistoric thesaurus" https://smartdefine.org/prehistoric/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, prehistoric thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/prehistoric/thesaurus/synonyms>. |
| MLA | Smart Define. "prehistoric thesaurus" 29 February 2016. Web. 26 September 2026. <https://smartdefine.org/prehistoric/thesaurus/synonyms> |