104 entries under addition topic. ×
| decoration(noun, frill, garnish, fixture) | |
| fitting(noun, part, extension, accessory) | |
| fixture(noun, part, extension, accessory) | |
| item(noun, part, measure, piece, division) | |
| partner(noun, assistant, attachment) | |
| add-on(noun, adjective, increase, additional) | |
| adornment(noun, decoration, accompaniment, frill) | |
| affix(noun, accessory, supplement) | |
| and(new, additional, major, greater) | |
| and also(expression, idiom) | |
| annex(noun, part, increase, extension) | |
| ascititious | |
| associate(noun, assistant, attachment) | |
| au reste(expression, idiom) | |
| augmentation(noun, complement, supplement, appendage) | |
| bells and whistles(noun, expression, idiom, increase) | |
| extravagance(noun, treat, luxury, supplement) | |
| increase(noun, supplement, appendage, add-on) | |
| into the bargain(expression, idiom) | |
| option(noun, adjective, increase, new, reserve) |
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| APA | Smart Define. (2016). extra thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extra/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, extra thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>. |
| MLA | Smart Define. "extra thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms> |