70 entries under principal topic. ×
| predominant(adjective, good, important, exceptional, head) | |
| primitive(adjective, body, cause, start, simple) | |
| underlying(adjective, simple, plain, base, important) | |
| basal(adjective, body, simple, lead, plain) | |
| premier(adjective, order, top, lead, superior) | |
| radical(adjective, cause, base, importance, important) | |
| vital(adjective, body, importance, material, big) | |
| arch(adjective, order, top, lead, superior) | |
| highest(adjective, order, top, excellent, superior) | |
| supreme(adjective, order, excellent, big, heavy) | |
| superior(adjective, top, excellent, lead, big) | |
| head(noun, adjective, order, top, excellent) | |
| outstanding(adjective, important, head, significant, essential) | |
| uppermost(adjective, excellent, lead, big, important) | |
| crucial(adjective, big, important, significant, original) | |
| greatest(adjective, top, excellent, superior, important) | |
| best(adjective, excellent, lead, superior, unusual) | |
| inaugural(adjective, order, heavy, important, head) | |
| momentous(adjective, superior, big, unusual, important) | |
| number one(expression, adjective, order, lead, heavy) |
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| APA | Smart Define. (2016). primary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/primary/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, primary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>. |
| MLA | Smart Define. "primary thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms> |