Synonyms|307Antonyms|43|Broader|6Narrower|0Related|128

88 entries under noun topic. ×

3
extra(adjective, spare, reserve, replacement)
3
fill-in(cover, reserve, substitute, replacement)
3
spare(adjective, reserve, extra, replacement)
3
stand-by(control, duty, reliable, responsible)
3
successor(cover, reserve, substitute, replacement)
3
supporter(support, prop, pillar, backbone)
2
relief(reserve, substitute, replacement, alternate)
2
sub(cover, reserve, substitute, replacement)
2
surrogate(supply, extra, agent, substitute)
2
temporary(reserve, extra, substitute, replacement)
2
well-wisher(luxuriance, overdose, redundance)
1
attendant(control, duty, reliable, responsible)
1
crossing guard(control, duty, reliable, responsible)
1
desk sergeant(control, duty, reliable, responsible)
1
duty boy(control, duty, reliable, responsible)
1
duty man(control, duty, reliable, responsible)
1
duty officer(control, duty, reliable, responsible)
1
duty on duty(control, duty, reliable, responsible)
1
duty operator(control, duty, reliable, responsible)
1
galloper(control, duty, reliable, responsible)
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APASmart Define. (2015). standby thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/standby/thesaurus/synonyms
ChicagoSmart Define. 2015. "standby thesaurus" https://smartdefine.org/standby/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, standby thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/standby/thesaurus/synonyms>.
MLASmart Define. "standby thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/standby/thesaurus/synonyms>