45 entries under adjective topic. ×

15
double(noun, part, double, duplication)
13
duplicate(noun, part, spare, double)
12
dual(part, double, accompaniment, second)
12
twin(noun, spare, double, identical)
10
twofold(part, spare, equal, double)
9
binary(part, double, accompaniment, second)
8
duple(part, spare, equal, double)
7
bilateral(double, duplication)
7
second(noun, double, duplication, dual)
6
dualistic(spare, equal, double, identical)
6
dyadic(double, accompaniment)
6
two(noun, double, duplication, accompaniment)
5
bipartite
5
geminate(part, second, dual, twofold)
4
bidirectional
4
biform(part, duplication)
4
binate(accompaniment, second, dual, twofold)
4
double-faced(double, duplication)
4
paired(double, second, twin, dual)
4
two-sided(double, duplication)
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APASmart Define. (2015). duplex thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/duplex/thesaurus/synonyms
ChicagoSmart Define. 2015. "duplex thesaurus" https://smartdefine.org/duplex/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, duplex thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/duplex/thesaurus/synonyms>.
MLASmart Define. "duplex thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/duplex/thesaurus/synonyms>