105 entries under addition topic. ×
| appendage(noun, end, increase, delay, development) | |
| addendum(noun, increase, note, delay, development) | |
| adjunct(noun, help, increase, delay, development) | |
| supplement(noun, increase, delay, development, spread) | |
| codicil(noun, part, increase, extra) | |
| extension(noun, increase, spread, extra) | |
| postscript(noun, end, increase, note, extra) | |
| accessory(noun, adjective, part, extra) | |
| appurtenance(noun, document, accessory, attachment) | |
| affix(noun, extension, add-on, addendum) | |
| attachment(noun, extra, extension, document) | |
| epilogue(noun, supplement, sequel, afterthought) | |
| annex(noun, increase, delay, development, spread) | |
| rider(noun, increase, extra, document) | |
| continuation(noun, increase, delay, development, spread) | |
| sequel(noun, increase, extra, additive) | |
| augmentation(noun, increase, delay, development, spread) | |
| afterthought(noun, supplement) | |
| auxiliary(noun, adjective, attachment, decoration) | |
| enlargement(noun, increase, delay, development, extra) |
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| APA | Smart Define. (2015). appendix thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/appendix/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "appendix thesaurus" https://smartdefine.org/appendix/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, appendix thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/appendix/thesaurus/synonyms>. |
| MLA | Smart Define. "appendix thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/appendix/thesaurus/synonyms> |