139 entries under original topic. ×
| meat-and-potatoes(adjective, important, significant, essential) | |
| moth-eaten(last, past, venerable, outdated) | |
| nitty-gritty(adjective, basic, absolute, fundamental) | |
| nub(adjective, basic, absolute, fundamental) | |
| of yore(expression, last, venerable, outdated) | |
| opening(adjective, head, beginning, prime) | |
| out-of-date(adjective, last, odd, old) | |
| outdated(adjective, last, odd, old) | |
| outmoded(adjective, last, odd, old) | |
| paramount(adjective, important, significant, essential) | |
| primo(simple, straightforward, basic, fundamental) | |
| relic(last, past, venerable, outdated) | |
| requisite(adjective, important, significant, essential) | |
| rusty(last, past, venerable, outdated) | |
| significant(adjective, important, essential, basic) | |
| slightest(adjective, head, beginning, opening) | |
| smallest(adjective, head, beginning, opening) | |
| stale(last, past, venerable, outdated) | |
| structural(material, important, natural, basic) | |
| substrative(adjective, important, significant, essential) |
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| APA | Smart Define. (2015). primitive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/primitive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "primitive thesaurus" https://smartdefine.org/primitive/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, primitive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/primitive/thesaurus/synonyms>. |
| MLA | Smart Define. "primitive thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/primitive/thesaurus/synonyms> |