104 entries under addition topic. ×
| additional(adjective, place, increase, lower, new) | |
| spare(noun, verb, adjective, adverb, support) | |
| supplementary(adjective, support, new, spare, excess) | |
| further(adjective, adverb, increase, new, spare) | |
| accessory(noun, adjective, support, part, lower) | |
| auxiliary(noun, adjective, support, part, lower) | |
| supernumerary(noun, adjective, spare, extreme, reserve) | |
| more(adjective, adverb, increase, new, spare) | |
| supplemental(adjective, spare, excess, further) | |
| plus(noun, adjective, adverb, spare, advantage) | |
| added(noun, adjective, increase, new, spare) | |
| bonus(noun, adjective, gain, benefit, advantage) | |
| luxury(noun, adjective, comfort, treat, extravagance) | |
| ancillary(noun, adjective, support, spare, inferior) | |
| adjunct(noun, part, increase, extension) | |
| addendum(noun, increase, accessory, attachment) | |
| attachment(noun, accessory, decoration, supplement) | |
| also(adjective, new, spare, additional) | |
| supplement(noun, part, increase, extension) | |
| appendage(noun, part, increase, extension) |
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| APA | Smart Define. (2016). extra thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/extra/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, extra thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>. |
| MLA | Smart Define. "extra thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms> |