19 entries under reserve topic. ×

21
stand-in(noun, character, star, substitute)
13
double(noun, cover, substitute, replacement)
12
replacement(noun, adjective, substitute, alternative)
11
backup(noun, adjective, substitute, replacement)
10
standby(noun, adjective, substitute, replacement)
9
deputy(noun, adjective, substitute, replacement)
5
sub(noun, cover, substitute, replacement)
4
relief(noun, substitute, replacement, alternate)
3
assistant(noun, guide, replacement, nurse)
2
pinch-hitter(noun, substitute, replacement, stalwart)
2
spare(adjective, standby)
2
successor(noun, cover, substitute, replacement)
1
cover(noun, verb, substitute, deputize)
1
resource(substitute, replacement, alternative, alternate)
1
temp(substitute, replacement, alternate, stalwart)
1
temporary(substitute, replacement, alternate, stalwart)
0
emergency(adjective, standby)
0
fallback(noun, adjective, standby)
0
stalwart(substitute, fallback)
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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>