70 entries under subsidiary topic. ×

24
supporting(adjective, support, characteristic, spare, reserve)
12
subordinate(adjective, support, characteristic, spare, collateral)
11
adjuvant(adjective, support, characteristic, spare, reserve)
11
auxiliary(adjective, support, characteristic, help, spare)
10
accessory(adjective, support, characteristic, help, spare)
10
ancillary(adjective, support, characteristic, help, spare)
10
secondary(adjective, support, characteristic, spare, reserve)
8
backup(noun, adjective, support, characteristic, informal)
8
collateral(adjective, support, characteristic, help, spare)
7
appurtenant(adjective, support, characteristic, spare, reserve)
7
reserve(adjective, support, characteristic, spare)
7
spare(adjective, support, characteristic, reserve)
7
subservient(adjective, support, characteristic, spare, collateral)
6
assistant(adjective, support, characteristic, help, spare)
4
confirmatory(adjective, collateral, subservient, subalternate)
1
alternate
1
conducive(adjective, friendly, sympathetic, useful, valuable)
0
adjunctive(adjective, collateral, subservient, subalternate)
0
associated with(expression, adjective, collateral, subservient)
0
associative(adjective, collateral, subservient, subalternate)
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APASmart Define. (2016). supportive thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/supportive/thesaurus/synonyms
ChicagoSmart Define. 2016. "supportive thesaurus" https://smartdefine.org/supportive/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, supportive thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/supportive/thesaurus/synonyms>.
MLASmart Define. "supportive thesaurus" 23 March 2016. Web. 23 September 2026. <https://smartdefine.org/supportive/thesaurus/synonyms>