- quadruple, quadruplicate, quadruplex, fourfold - having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire"
Antonym: single (indirect, via multiple)
- quadruplicate - any four copies; any of four things that correspond to one another exactly; "it was signed in quadruplicate"
--1 is a kind of copy
Derived forms: verb quadruple1, verb quadruplicate1
- quadruplicate - reproduce fourfold; "quadruplicate the bill"
--1 is one way to reproduce
Sample sentence:Derived forms: noun quadruple1, noun quadruplicate1
Somebody ----s something