quadruple - definition, thesaurus and related words from WordNet-Online

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Adjective quadruple has 2 senses

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)

Noun quadruple has 1 sense

quadruple - a quantity that is four times as great as another
--₁ is a kind of multiple

Derived forms: verb quadruplicate₁, verb quadruple₁

Verb quadruple has 1 sense

quadruple - increase fourfold; "His stock earning quadrupled"
--₁ is one way to multiply, manifold

Derived forms: noun quadruplicate₁, noun quadrupling₁, noun quadruple₁
Sample sentences:
They quadruple their earnings this year
Their earnings quadruple this year