9 entries under back-up topic. ×

23
substitute(noun, cover, substitute, replacement, someone)
21
stand-in(noun, character, reserve, star, substitute)
20
alternate(noun, verb, cover, substitute, replacement)
10
fill-in(noun, cover, substitute, replacement, alternate)
9
reserve(noun, adjective, substitute, replacement, alternative)
4
back-up(alternate, pupil, stand-in, fill-in)
3
pupil(alternate, pupil, stand-in, fill-in)
2
devotee(alternate, pupil, stand-in, fill-in)
1
apprentice(alternate, pupil, stand-in, fill-in)
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APASmart Define. (2015). understudy thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/understudy/thesaurus/synonyms
ChicagoSmart Define. 2015. "understudy thesaurus" https://smartdefine.org/understudy/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, understudy thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/understudy/thesaurus/synonyms>.
MLASmart Define. "understudy thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/understudy/thesaurus/synonyms>