81 entries under adjective topic. ×

2
ancillary(support, spare, inferior, extra)
2
back up(noun, verb, expression, phrasal verb)
2
dependent(inferior, insignificant, unimportant, minor)
2
subordinate(noun, support, help, aid)
2
subsidiary(support, lower, spare, inferior)
2
supplementary(support, increase, counterfeit, near)
1
additional(counterfeit, near, reserve, extra)
1
derivative(inferior, minor, subordinate)
1
emergency(increase, spare, reserve, extra)
1
fallback(noun, reserve, replacement, standby)
1
in excess(expression, reserve, extra, replacement)
1
inferior(insignificant, unimportant, minor, subordinate)
1
lower(inferior, insignificant, unimportant, minor)
1
minor(inferior, insignificant, unimportant, helpful)
1
more than enough(expression, idiom, reserve, extra)
1
subservient(support, lower, spare, inferior)
1
substract(inferior, insignificant, relief, reserve)
1
supplemental(increase, extra, minor, helpful)
1
supporting(noun, support, help, praise)
0
abetting(support, spare, auxiliary, supplementary)
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APASmart Define. (2015). backup thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/backup/thesaurus/synonyms
ChicagoSmart Define. 2015. "backup thesaurus" https://smartdefine.org/backup/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, backup thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/backup/thesaurus/synonyms>.
MLASmart Define. "backup thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/backup/thesaurus/synonyms>