132 entries under addition topic. ×
| bell(noun, increase, extra) | |
| bells and whistles(noun, expression, idiom, increase, extra) | |
| bonus(noun, extra, supplement, appendage) | |
| breakthrough(noun, raise, rise, growth) | |
| component(noun, decoration, fixture) | |
| conservatory(noun, wing, porch, lean-to) | |
| decoration(noun, fixture) | |
| embellishment(noun, decoration, fixture) | |
| extravagance(noun, supplement) | |
| fitment(noun, decoration, fixture) | |
| fitting(noun, part, extra) | |
| frill(noun, decoration, fixture) | |
| help(noun, decoration, fixture) | |
| insertion(noun, increase, extra) | |
| lean-to(noun, wing, porch, conservatory) | |
| new building(noun, expression) | |
| option(noun, increase, extra, supplement) | |
| optional extra(noun, expression, supplement) | |
| porch(noun, wing, conservatory, lean-to) | |
| pullout(noun, increase, extra) |
For more, visit
Extension on
Power Thesaurus
| APA | Smart Define. (2015). extension thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/extension/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extension thesaurus" https://smartdefine.org/extension/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, extension thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/extension/thesaurus/synonyms>. |
| MLA | Smart Define. "extension thesaurus" 22 December 2015. Web. 26 September 2026. <https://smartdefine.org/extension/thesaurus/synonyms> |