17 entries under adjective topic. ×
| quartet(noun, four) | |
| quaternary(noun, four) | |
| tetrad(noun, four) | |
| square | |
| 4 | |
| iv | |
| quad | |
| quadrilateral | |
| quadruple(noun, four) | |
| quadrigeminal(noun, four) | |
| quadrangular | |
| quadripartite | |
| quadrivial | |
| quadruplicate | |
| quarto | |
| quaternate | |
| rectangular |
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| APA | Smart Define. (2015). four thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/four/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "four thesaurus" https://smartdefine.org/four/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, four thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/four/thesaurus/synonyms>. |
| MLA | Smart Define. "four thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/four/thesaurus/synonyms> |