56 entries under extra topic. ×
| over(adjective, reserve, replacement, unused) | |
| pseudo(auxiliary, supernumerary) | |
| sham(auxiliary, supernumerary) | |
| simulated(auxiliary, supernumerary) | |
| spurious(auxiliary, supernumerary) | |
| substitutive(adjective, reserve, subsidiary, auxiliary) | |
| supererogatory(adjective, reserve, replacement, unused) | |
| superfluous(adjective, reserve, replacement, unused) | |
| supernumerary(adjective, reserve, replacement, temporary) | |
| supposititious(auxiliary, supernumerary) | |
| surplus(adjective, reserve, replacement, unused) | |
| symbolic(auxiliary, supernumerary) | |
| unoccupied(adjective, reserve, replacement, unused) | |
| unused(adjective, reserve, replacement, standby) | |
| unwanted(adjective, reserve, replacement, unused) | |
| vicarial(adjective, reserve, subsidiary, auxiliary) |
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| APA | Smart Define. (2015). backup thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/backup/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "backup thesaurus" https://smartdefine.org/backup/thesaurus/synonyms (accessed September 21, 2026). |
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| MLA | Smart Define. "backup thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/backup/thesaurus/synonyms> |