42 entries under backup topic. ×

23
substitute(noun, cover, substitute, replacement, someone)
21
stand-in(noun, character, reserve, star, substitute)
20
alternate(noun, verb, cover, substitute, replacement)
13
double(noun, cover, reserve, substitute, replacement)
12
replacement(noun, adjective, reserve, substitute, alternative)
12
surrogate(noun, substitute, replacement, alternative, alternate)
10
fill-in(noun, cover, substitute, replacement, alternate)
6
proxy(noun, substitute, replacement, alternative, alternate)
6
representative(noun, substitute, replacement, alternative, alternate)
5
agent(noun, substitute, replacement, alternative, alternate)
5
dummy(noun, substitute, replacement, alternative, alternate)
5
sub(noun, cover, reserve, substitute, replacement)
4
delegate(noun, substitute, replacement, alternative, alternate)
4
ghost(noun, replacement, alternative, alternate, deputy)
4
locum(noun, substitute, replacement, alternative, alternate)
4
relief(noun, reserve, substitute, replacement, alternate)
3
assistant(noun, guide, reserve, replacement, nurse)
3
procurator(noun, replacement, alternative, alternate)
3
succedaneum(noun, replacement, alternative, alternate)
2
auxiliary(noun, guide, substitute, replacement, nurse)
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APASmart Define. (2015). understudy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/understudy/thesaurus/synonyms
ChicagoSmart Define. 2015. "understudy thesaurus" https://smartdefine.org/understudy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, understudy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/understudy/thesaurus/synonyms>.
MLASmart Define. "understudy thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/understudy/thesaurus/synonyms>