138 entries under adjective topic. ×

5
extraneous(extraordinary, new, spare, fresh)
4
adjunct
4
another(extraordinary, new, spare, fresh)
4
appended(new, extra, additional, added)
4
collateral(low, subject, useful, minor)
4
substitute(extra, alternative, auxiliary, supernumerary)
4
supernumerary(extraordinary, new, spare, fresh)
3
adscititious
3
completing(additional, completeness)
3
annexed
3
contributory(support, low, inferior, subject)
3
minor(low, inferior, useful, helpful)
3
perk(extraordinary, new, spare, fresh)
3
second(counterfeit, spare, near, reserve)
3
standby(increase, extra, auxiliary, supernumerary)
3
supportive
3
surplus(extraordinary, new, spare, fresh)
2
adjuvant(support, low, inferior, subject)
2
assisting(support, minor, helpful, secondary)
2
backup(noun, support, increase, counterfeit)
10 years ago|6.9k views|share |citing 
APASmart Define. (2016). supplementary thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/supplementary/thesaurus/synonyms
ChicagoSmart Define. 2016. "supplementary thesaurus" https://smartdefine.org/supplementary/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, supplementary thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/supplementary/thesaurus/synonyms>.
MLASmart Define. "supplementary thesaurus" 19 February 2016. Web. 26 September 2026. <https://smartdefine.org/supplementary/thesaurus/synonyms>