Definitions

1. verb

to multiply or increase something fourfold

“The company quadrupled its profits after a successful merger.”

2. verb

to make something four in number

“The team quadrupled their chances of winning by recruiting four new players.”

3. noun

a number or amount that is four times as large as another number or amount

“The quadruple of her salary will be a significant increase.”

4. noun

a group of four people, especially four couples

“The quadruple date was a lot of fun.”

5. adjective

four times as large or as much

“The quadruple-sized meal was too much for me to eat.”