| acting(extra, supernumerary) | |
| actor(noun, agent) | |
| adherent(help, associate, supporter, subordinate, representative) | |
| adjoining(adjective, accompanying) | |
| adjunctive(adjective, side, subordinate, collateral, secondary) | |
| adorning(adjective, accompanying) | |
| affiliate(noun, adjective, companion, friend, partner) | |
| affiliated(adjective, relational) | |
| affixed(adjective, accompanying) | |
| agency(noun, agent) | |
| akin(adjective, relational) | |
| analogous(adjective, relational) | |
| apprentice(help, associate, supporter, subordinate, representative) | |
| arm(noun, deputy) | |
| army(noun, combatant) | |
| ascititious | |
| assignee(noun, deputy) | |
| assist | |
| associated(adjective, relational) | |
| attached(adjective, accompanying) |
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| APA | Smart Define. (2015). auxiliary thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/auxiliary/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "auxiliary thesaurus" https://smartdefine.org/auxiliary/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, auxiliary thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/auxiliary/thesaurus/synonyms>. |
| MLA | Smart Define. "auxiliary thesaurus" 22 December 2015. Web. 25 September 2026. <https://smartdefine.org/auxiliary/thesaurus/synonyms> |