- Definitions|1
- Thesaurus|201
- Abbreviations|0
11 entries under fallback topic. ×
| relief(noun, reserve, replacement, alternative, alternate) | |
| replacement(noun, adjective, person, reserve, substitute) | |
| stand-in(noun, adjective, person, reserve, substitute) | |
| backup(noun, adjective, copy, reserve, substitute) | |
| double(noun, adjective, reserve, substitute, replacement) | |
| sub(noun, adjective, informal, reserve, substitute) | |
| assistant(reserve, replacement, alternative, alternate, backup) | |
| cover(reserve, substitute) | |
| reserve(noun, cover, substitute, replacement, alternative) | |
| successor(noun, cover, reserve, replacement, alternative) | |
| stalwart |
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| APA | Smart Define. (2015). fill-in thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/fill-in/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fill-in thesaurus" https://smartdefine.org/fill-in/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, fill-in thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/fill-in/thesaurus/synonyms>. |
| MLA | Smart Define. "fill-in thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/fill-in/thesaurus/synonyms> |