50 entries under prime topic. ×
| anterior(adjective, head, beginning, past) | |
| cardinal(adjective, head, beginning, opening, original) | |
| elementary(adjective, head, beginning, original) | |
| first off(expression, adjective, head, beginning) | |
| fundamental(adjective, head, beginning, opening, original) | |
| in the beginning(expression, adjective, idiom, head, beginning) | |
| inceptive(adjective, head, beginning, original) | |
| incipient(adjective, head, beginning, opening, original) | |
| least(adjective, head, beginning, opening, original) | |
| number one(noun, expression, adjective, pronoun, head) | |
| numero uno(expression, adjective, head, beginning) | |
| opening(adjective, head, beginning, original) | |
| primeval(adjective, head, beginning, original) | |
| primitive(adjective, wild, head, beginning, crude) | |
| primogenial(adjective, head, beginning, opening, original) | |
| principal(noun, adjective, guide, head, opening) | |
| pristine(adjective, head, beginning, original) | |
| right up front(expression, adjective, idiom, head, beginning) | |
| rudimentary(adjective, head, beginning, original) | |
| slightest(adjective, head, beginning, opening, original) |
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| APA | Smart Define. (2015). pioneer thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/pioneer/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "pioneer thesaurus" https://smartdefine.org/pioneer/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, pioneer thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/pioneer/thesaurus/synonyms>. |
| MLA | Smart Define. "pioneer thesaurus" 17 December 2015. Web. 30 September 2026. <https://smartdefine.org/pioneer/thesaurus/synonyms> |