0
coupled
0
court
0
denary
0
distance
0
distributed
0
doubled
0
dual
0
duple
0
duplex
0
eight-fold
0
eightfold
0
engaged
0
escorted
0
espoused
0
five-fold
0
fivefold
0
four-
0
four times
0
hitched
0
increase fourfold
10 years ago|19 views|share |citing 
APASmart Define. (2016). quadruple thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/quadruple/thesaurus/related
ChicagoSmart Define. 2016. "quadruple thesaurus" https://smartdefine.org/quadruple/thesaurus/related (accessed September 26, 2026).
HarvardSmart Define 2016, quadruple thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/quadruple/thesaurus/related>.
MLASmart Define. "quadruple thesaurus" 5 February 2016. Web. 26 September 2026. <https://smartdefine.org/quadruple/thesaurus/related>