87 entries under extra topic. ×
| additional(adjective, spare, reserve, replacement) | |
| spare(adjective, new, reserve, replacement) | |
| surplus(adjective, reserve, replacement, added) | |
| odd(adjective, reserve, replacement, unused) | |
| other(new, substitute, replacement, opportunity) | |
| supplementary(adjective, new, added) | |
| addition(noun, increase, enlargement, something) | |
| adjunct(noun, increase, addition, supplement) | |
| appendage(noun, increase, addition, supplement) | |
| accession(noun, supplement, appendage, add-on) | |
| accessory(noun, supplement, appendage, add-on) | |
| accrual(noun, supplement, appendage, add-on) | |
| add-on(noun, increase, addition, supplement) | |
| added | |
| added feature(noun, expression, increase, addition) | |
| addendum(noun, increase, addition, supplement) | |
| additive(noun, increase, addition, supplement) | |
| affixed(new, added) | |
| aggrandizement(noun, supplement, appendage, add-on) | |
| annex(noun, increase, addition, supplement) |
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| APA | Smart Define. (2016). option thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/option/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "option thesaurus" https://smartdefine.org/option/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, option thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/option/thesaurus/synonyms>. |
| MLA | Smart Define. "option thesaurus" 9 March 2016. Web. 21 September 2026. <https://smartdefine.org/option/thesaurus/synonyms> |