1
unused(adjective, spare, extra, replacement)
1
vicar(supply, agent, replacement, alternative, alternate)
1
votary
1
waiting list(noun, expression, list)
1
walk-on
1
walk on
1
walking gentleman
0
abnormal
0
abundantly
0
acting(extra, auxiliary, supernumerary)
0
actor
0
adjuvant(reserve, subsidiary, supportive)
0
aerial
0
airfare
0
airline
0
airlink
0
alert status(expression, idiom)
0
alternative(extra, replacement, alternate, auxiliary, supernumerary)
0
anomalous
0
another(extra, auxiliary, supernumerary)
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APASmart Define. (2015). standby thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/standby/thesaurus/synonyms
ChicagoSmart Define. 2015. "standby thesaurus" https://smartdefine.org/standby/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, standby thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/standby/thesaurus/synonyms>.
MLASmart Define. "standby thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/standby/thesaurus/synonyms>