45 entries under auxiliary topic. ×

26
extra(adjective, place, increase, lower, new)
25
supplementary(adjective, extraordinary, new, spare, fresh)
15
supplemental(adjective, extraordinary, new, spare, fresh)
14
accessory(noun, adjective, addition, subordinate, subsidiary)
11
ancillary(adjective, extraordinary, new, spare, fresh)
11
other(adjective, preposition, place, increase, extraordinary)
11
secondary(adjective, place, lower, inferior, subordinate)
7
another(adjective, preposition, place, extraordinary, new)
7
subordinate(adjective, subsidiary, supplementary)
7
supernumerary(adjective, extraordinary, new, spare, fresh)
4
substitute(adjective, extra, alternative, supernumerary)
2
alternate(adjective, extra, supernumerary)
2
reserve(adjective, extraordinary, new, spare, fresh)
2
second(adjective, counterfeit, spare, near, reserve)
1
backup(adjective, counterfeit, near, reserve, extra)
1
replacement(noun, adjective, counterfeit, new, spare)
1
surrogate(adjective, extra, supernumerary)
0
accompanying(adjective, extra, subordinate, subsidiary)
0
acting(extra, supernumerary)
0
artificial(extra, supernumerary)
<123>
11 years ago|13k views|share |citing 
APASmart Define. (2015). additional thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/additional/thesaurus/synonyms
ChicagoSmart Define. 2015. "additional thesaurus" https://smartdefine.org/additional/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, additional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/additional/thesaurus/synonyms>.
MLASmart Define. "additional thesaurus" 30 July 2015. Web. 23 September 2026. <https://smartdefine.org/additional/thesaurus/synonyms>