42 entries under backup topic. ×

2
reserve(noun, cover, replacement, alternative, alternate)
2
supplanter(replacement, alternative, alternate, surrogate)
2
temp(reserve, substitute, replacement, alternate, stalwart)
2
vicar(replacement, alternative, alternate, surrogate)
1
standby(noun, cover, reserve, substitute, replacement)
1
succedaneum(replacement, alternative, alternate, surrogate)
1
delegate(agent, substitute, replacement, representative, assistant)
1
dernier ressort(expression, replacement, alternative, alternate)
1
expediency(substitute, replacement, alternative, alternate)
1
expedient(substitute, replacement, alternative, alternate)
1
locum(substitute, replacement, alternative, alternate)
1
procurator(replacement, alternative, alternate, surrogate)
1
recourse(noun, reserve, substitute, replacement, alternative)
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
successor(noun, cover, reserve, replacement, alternative)
1
temporary(reserve, substitute, replacement, alternate, stalwart)
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APASmart Define. (2016). sub thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/sub/thesaurus/synonyms
ChicagoSmart Define. 2016. "sub thesaurus" https://smartdefine.org/sub/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, sub thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/sub/thesaurus/synonyms>.
MLASmart Define. "sub thesaurus" 18 February 2016. Web. 22 September 2026. <https://smartdefine.org/sub/thesaurus/synonyms>