61 entries under extra topic. ×

1
proxy(noun, supply, agent, replacement)
1
representative(supply, agent, replacement, alternate)
1
stopgap(supply, agent, replacement, alternate)
1
unused(adjective, spare, replacement)
0
acting(auxiliary, supernumerary)
0
alternative(replacement, alternate, auxiliary, supernumerary)
0
another(auxiliary, supernumerary)
0
counterfeit(auxiliary, supernumerary)
0
de trop(expression, adjective, replacement)
0
ersatz(auxiliary, supernumerary)
0
experimental(auxiliary, supernumerary)
0
false(auxiliary, supernumerary)
0
free(adjective, replacement)
0
imitation(auxiliary, supernumerary)
0
in excess(expression, adjective, reserve, replacement)
0
in reserve(expression, adjective, reserve, replacement)
0
in store(expression, adjective, reserve, replacement)
0
lagniappe(adjective, replacement)
0
leftover(adjective, replacement)
0
mock(auxiliary, supernumerary)
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APASmart Define. (2015). standby thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/standby/thesaurus/synonyms
ChicagoSmart Define. 2015. "standby thesaurus" https://smartdefine.org/standby/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, standby thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/standby/thesaurus/synonyms>.
MLASmart Define. "standby thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/standby/thesaurus/synonyms>