1
supplant
1
supply(noun, replacement, alternative, alternate, backup)
1
supporting actor
1
supporting cast
1
swap places with(expression, idiom)
1
switch
1
synecdoche
1
temp(reserve, substitute, replacement, alternate, stalwart)
1
temporary(reserve, substitute, replacement, alternate, stalwart)
1
temporary expedient(expression, replacement, alternative, alternate, backup)
1
thesp
1
thespian(noun, actor, actress)
1
third string
1
trouper
1
understudies
1
understudy for
1
utility man
1
utility player
1
ventriloquist
1
vicar general
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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>