229 entries under adjective topic. ×
| optional(spare, excess, further, surplus) | |
| residual(waste, split, spare, outstanding) | |
| vacant(clear, loose, empty, relaxing) | |
| affixed(new, added, accompanying, attached) | |
| attached(accompanying, attached) | |
| collateral(spare, inferior, insignificant, relief) | |
| companion(noun, accompaniment, accompanying) | |
| contributory(support, spare, auxiliary, supplementary) | |
| dispensable(spare, extreme, surplus, unnecessary) | |
| exceptional | |
| gratuitous(spare, extreme, surplus, unnecessary) | |
| inordinate(spare, unreasonable, extreme, extravagant) | |
| uncalled-for(spare, extreme, surplus, unnecessary) | |
| unoccupied(reserve, replacement, relaxing, off) | |
| add-on(noun, increase, addition, additional) | |
| adorning | |
| annexed | |
| appurtenant(support, spare, auxiliary, supplementary) | |
| augmented(new, positive, additional, major) | |
| bound(edge, border, surplus, boundary) |
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| APA | Smart Define. (2016). extra thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/extra/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, extra thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>. |
| MLA | Smart Define. "extra thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms> |