quadruple

To become four times as large or as much.

• Sales quadrupled last year.
• The population has quadrupled since 1950.
• Your investment could quadruple in value.

How to use it: quadruple in size/value (The town quadrupled in size within twenty years.)

Similar words: increase fourfold

Common phrases: quadruple in value, quadruple in size, almost quadruple

To make an amount or number four times as large.

• They quadrupled the budget.
• We must quadruple production to meet demand.
• The company has quadrupled its workforce since opening.

Similar words: multiply by four

Opposites: quarter

Common phrases: quadruple the budget, quadruple production, quadruple the workforce

Four times as large or as many as something else.

• We need quadruple the amount.
• They paid quadruple the original price.
• The skater attempted a quadruple jump.

How to use it: quadruple the ... (The new tank holds quadruple the volume of the old one.)

Similar words: fourfold

Common phrases: quadruple the amount, quadruple the size, a quadruple jump