1. consisting of five parts or being five times as much or as many

1. to make or become five times as much or as many

1. an amount that is five times as much as another

Examples

• The company reported a quintuple increase in profits this year.
• She managed to quintuple her savings in just two years.
• The recipe calls for a quintuple portion of spices.
• Sales are expected to quintuple by the end of the decade.
• His new salary is a quintuple of what he earned before.
• The population quintupled during the gold rush era.
• They achieved a quintuple victory in the championship series.