- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
| previous(last, first, primary, other, initial) | |
| prewar | |
| primaeval | |
| primate | |
| pristine(adjective, last, original, past, primitive) | |
| protohuman | |
| putrid | |
| quondam(last, original, past, primitive, venerable) | |
| rank | |
| regular old fogy(expression, idiom) | |
| rusty(original, old, gray, venerable, outdated) | |
| shabby | |
| sometime(last, original, past, primitive, venerable) | |
| starets | |
| stone age | |
| superseded(adjective, dead, tired, out, bent) | |
| tatty | |
| time-worn(last, original, past, primitive, venerable) | |
| troglodyte | |
| unoriginal(last, original, past, venerable, outdated) |
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| APA | Smart Define. (2015). antediluvian thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/antediluvian/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "antediluvian thesaurus" https://smartdefine.org/antediluvian/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, antediluvian thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/antediluvian/thesaurus/synonyms>. |
| MLA | Smart Define. "antediluvian thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/antediluvian/thesaurus/synonyms> |