42 entries under backup topic. ×

2
changeling(replacement, alternative, alternate, surrogate)
2
equivalent(replacement, alternative, alternate, surrogate)
2
locum tenens(expression, replacement, alternative, alternate)
2
makeshift(substitute, replacement, alternative, alternate)
2
pinch-hitter(noun, reserve, substitute, replacement, stalwart)
2
successor(noun, cover, reserve, substitute, replacement)
2
supplanter(replacement, alternative, alternate, surrogate)
2
vicar(replacement, alternative, alternate, surrogate)
1
dernier ressort(expression, replacement, alternative, alternate)
1
expediency(substitute, replacement, alternative, alternate)
1
expedient(substitute, replacement, alternative, alternate)
1
ghost writer(expression, replacement, alternative, alternate)
1
recourse(substitute, replacement, alternative, alternate)
1
refuge(substitute, replacement, alternative, alternate)
1
relay(replacement, alternative, alternate, surrogate)
1
resort(substitute, replacement, alternative, alternate)
1
resource(reserve, substitute, replacement, alternative, alternate)
1
stopgap(substitute, replacement, alternative, alternate)
1
supply(noun, replacement, alternative, alternate)
1
temp(reserve, substitute, replacement, alternate, stalwart)
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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>