Synonyms|76Antonyms|2|Broader|4Narrower|0Related|98
14
quadruplicate(noun, adjective, quadruplicate, quadruplication)
10
fourfold(adjective, quadruplicate, quadruplication)
6
four(noun, adjective, four)
5
quadruplex
5
quartette
5
quaternary(noun, adjective)
5
four times(expression, idiom, quadruplication)
4
quadruplet
4
quad
4
quadripartite
3
quartet
3
four-fold
3
quaternion
2
accumulative
2
tetrad(noun, adjective)
1
computation
1
compute
1
constant
1
count
1
court
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APASmart Define. (2016). quadruple thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/quadruple/thesaurus/synonyms
ChicagoSmart Define. 2016. "quadruple thesaurus" https://smartdefine.org/quadruple/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, quadruple thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/quadruple/thesaurus/synonyms>.
MLASmart Define. "quadruple thesaurus" 5 February 2016. Web. 20 September 2026. <https://smartdefine.org/quadruple/thesaurus/synonyms>