136 entries under adjective topic. ×

5
bilateral(double, duplication)
5
extra(noun, lower, spare, inferior)
5
lesser(importance, inferior, insignificant, subordinate)
5
lower(importance, inferior, insignificant, reserve)
5
under(importance, inferior, insignificant, minor)
5
underling(noun, inferior, subordinate, assistant)
4
binary(like, double, similar, identical)
4
double-faced(double, duplication)
4
dual(like, double, similar, identical)
4
duple(double, dual, twofold)
4
latter(latest, concluding)
4
minor(lower, importance, inferior, insignificant)
4
two(noun, adverb, double, duplication)
4
two-sided(double, duplication)
4
unimportant(lower, inferior, insignificant, last)
3
2nd
3
additional(counterfeit, spare, near, reserve)
3
ancillary(noun, spare, inferior, extra)
3
bifold(like, similar, identical, duplication)
3
dependent(inferior, insignificant, unimportant, minor)
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APASmart Define. (2016). second thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/second/thesaurus/synonyms
ChicagoSmart Define. 2016. "second thesaurus" https://smartdefine.org/second/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, second thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/second/thesaurus/synonyms>.
MLASmart Define. "second thesaurus" 29 March 2016. Web. 20 September 2026. <https://smartdefine.org/second/thesaurus/synonyms>