43 entries under surrogate topic. ×

1
assistant(reserve, replacement, alternative, alternate, backup)
1
auxiliary(copy, replacement, alternative, alternate, backup)
1
delegate(substitute, replacement, alternative, alternate, backup)
1
dernier ressort(expression, replacement, alternative, alternate, backup)
1
expediency(substitute, replacement, alternative, alternate, backup)
1
expedient(substitute, replacement, alternative, alternate, backup)
1
ghost writer(expression, replacement, alternative, alternate, backup)
1
locum(noun, substitute, replacement, alternative, alternate)
1
locum tenens(expression, replacement, alternative, alternate, backup)
1
pinch-hitter(reserve, replacement, alternative, alternate, backup)
1
procurator(replacement, alternative, alternate, backup)
1
recourse(substitute, replacement, alternative, alternate, backup)
1
refuge(substitute, replacement, alternative, alternate, backup)
1
relay(replacement, alternative, alternate, backup)
1
reserve(noun, cover, substitute, replacement, alternative)
1
resort(substitute, replacement, alternative, alternate, backup)
1
resource(reserve, substitute, replacement, alternative, alternate)
1
stopgap(substitute, replacement, alternative, alternate, backup)
1
succedaneum(replacement, alternative, alternate, backup)
1
successor(noun, cover, reserve, replacement, alternative)
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APASmart Define. (2015). fill-in thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fill-in/thesaurus/synonyms
ChicagoSmart Define. 2015. "fill-in thesaurus" https://smartdefine.org/fill-in/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, fill-in thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fill-in/thesaurus/synonyms>.
MLASmart Define. "fill-in thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/fill-in/thesaurus/synonyms>