| attendant(noun, control, duty, reliable, responsible) | |
| backer | |
| bit player | |
| buff | |
| buttress(support, prop, pillar, backbone, bulwark) | |
| champion | |
| changeling(supply, agent, replacement, alternative, alternate) | |
| crossing guard(noun, control, duty, reliable, responsible) | |
| defender | |
| delegate(supply, agent, replacement, alternative, alternate) | |
| dependence | |
| dernier ressort(expression, supply, agent, replacement, alternate) | |
| desk sergeant(noun, control, duty, reliable, responsible) | |
| dummy(supply, extra, agent, replacement, alternate) | |
| duty boy(noun, control, duty, reliable, responsible) | |
| duty man(noun, control, duty, reliable, responsible) | |
| duty officer(noun, control, duty, reliable, responsible) | |
| duty on duty(noun, control, duty, reliable, responsible) | |
| duty operator(noun, control, duty, reliable, responsible) | |
| encourager |
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| APA | Smart Define. (2015). standby thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/standby/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "standby thesaurus" https://smartdefine.org/standby/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, standby thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/standby/thesaurus/synonyms>. |
| MLA | Smart Define. "standby thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/standby/thesaurus/synonyms> |