1. Having four units or components
   "quadruple rhythm has four beats per measure";
   - quadruplicate, quadruplex, fourfold, four-fold
    
2. Four times as great or many
   "a quadruple increase in the dosage";
   - fourfold, four-fold

1. A set of four similar things considered as a unit
   "The gymnast performed a quadruple of perfect backflips";
   - quartet, quartette, quadruplet
    
2. A quantity that is four times as great as another
   "The storm caused a quadruple increase in emergency calls"

1. Increase fourfold
   "His stock earning quadrupled"

Derived forms: quadrupling, quadruples, quadrupled

See also: multiple

Type of: manifold, multiple, multiply, set

Encyclopedia: Quadruple