23 entries under alternative topic. ×

10
understudy(noun, adjective, reserve, substitute, replacement)
7
substitute(noun, cover, reserve, extra)
5
backup(noun, adjective, increase, reserve, extra)
5
replacement(noun, adjective, spare, reserve, extra)
5
reserve(noun, adjective, increase, extra, substitute)
4
auxiliary(noun, adjective, increase, spare, supply)
4
deputy(noun, adjective, reserve, substitute, replacement)
4
stand-in(noun, adjective, reserve, substitute, replacement)
1
agent(supply, replacement, alternate, backup)
1
changeling(supply, agent, replacement, alternate)
1
delegate(supply, agent, replacement, alternate)
1
equivalent(supply, agent, replacement, alternate)
1
expediency(supply, agent, replacement, alternate)
1
expedient(supply, agent, replacement, alternate)
1
procurator(supply, agent, replacement, alternate)
1
recourse(supply, agent, replacement, alternate)
1
refuge(supply, agent, replacement, alternate)
1
relay(supply, agent, replacement, alternate)
1
resort(supply, agent, replacement, alternate)
1
succedaneum(supply, agent, replacement, alternate)
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APASmart Define. (2015). standby thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/standby/thesaurus/synonyms
ChicagoSmart Define. 2015. "standby thesaurus" https://smartdefine.org/standby/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, standby thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/standby/thesaurus/synonyms>.
MLASmart Define. "standby thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/standby/thesaurus/synonyms>