- quadruple, quadruplicate, quadruplex, fourfold - having four units or components; "quadruple rhythm has four beats per measure"; "quadruplex wire"
Antonym: single (indirect, via multiple)
- quadruple, fourfold - four times as great or many; "a fourfold increase in the dosage"
Antonym: single (indirect, via multiple)
- quadruple - a quantity that is four times as great as another
--1 is a kind of multiple
Derived forms: verb quadruplicate1, verb quadruple1
- quadruple - increase fourfold; "His stock earning quadrupled"
--1 is one way to multiply, manifold
Sample sentences:Derived forms: noun quadruplicate1, noun quadrupling1, noun quadruple1
They quadruple their earnings this year
Their earnings quadruple this year