44 entries under extra topic. ×
| supplementary(new, additional, auxiliary, another) | |
| supposititious(auxiliary, supernumerary) | |
| symbolic(auxiliary, supernumerary) | |
| vicarial(auxiliary, supernumerary, back-up, flipside) |
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| APA | Smart Define. (2016). alternative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/alternative/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "alternative thesaurus" https://smartdefine.org/alternative/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, alternative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/alternative/thesaurus/synonyms>. |
| MLA | Smart Define. "alternative thesaurus" 31 March 2016. Web. 24 September 2026. <https://smartdefine.org/alternative/thesaurus/synonyms> |