108 entries under extra topic. ×
| accessory(noun, adjective, support, part, help) | |
| ancillary(noun, adjective, support, help, aid) | |
| supplementary(adjective, support, increase, low, extraordinary) | |
| adjunct(noun, adjective, part, help, associate) | |
| supplemental(adjective, increase, extraordinary, new, spare) | |
| additional(adjective, extraordinary, new, spare, fresh) | |
| supporting(adjective, support, lower, spare, inferior) | |
| fresh(adjective, extraordinary, new, spare, special) | |
| spare(adjective, support, extraordinary, new, fresh) | |
| reserve(noun, adjective, support, increase, lower) | |
| second(noun, adjective, help, lower, spare) | |
| backup(noun, adjective, support, increase, lower) | |
| appendage(noun, part, addition, extension) | |
| substitute(noun, reserve, agent, alternative) | |
| addition(noun, part, extension, accessory) | |
| complementary(adjective, support, spare, subordinate) | |
| appurtenance(noun, part, addition, extension) | |
| other(adjective, extraordinary, new, spare, fresh) | |
| attachment(noun, addition, accessory, decoration) | |
| fixture(noun, part, addition, extension) |
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| APA | Smart Define. (2015). auxiliary thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/auxiliary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "auxiliary thesaurus" https://smartdefine.org/auxiliary/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, auxiliary thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/auxiliary/thesaurus/synonyms>. |
| MLA | Smart Define. "auxiliary thesaurus" 22 December 2015. Web. 23 September 2026. <https://smartdefine.org/auxiliary/thesaurus/synonyms> |