quadruple

USAGE SUMMARY

The word 'quadruple' is correct and usable in written English.
You can use it as an adjective to refer to something that is four times larger or four times as much as something else. For example, "The price of the item quadrupled after the demand increased."

✓ Grammatically correct

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

Jeddah's King Abdul Aziz international airport is itself undergoing expansion to quadruple its capacity to 80 million passengers a year.

The Guardian - Arts

I think it's written in a hurried and ill-thought-out way and we haven't really looked at what the potential long-term consequences are, particularly given that there is a quadruple lock on the Church of England but there isn't that sort of protection for other faiths.

The Guardian

We've just seen us quadruple our best ever result in a general election.

The Guardian

On average, a congressional climate denier receives quadruple the fossil fuel contributions of a non-denier.

The Guardian - Opinion

The total value of outstanding student loans is forecast to quadruple from £46bn to about £200bn by 2042 in today's prices, following the move to triple tuition fees to a maximum of £9,000 a year.

The Guardian

"The real truth of the matter is that the ones who have got expertise can double, triple, quadruple their salaries by switching to the private sector and joining the poachers," he says.

The Guardian - Business

A diabetic, Di Stéfano underwent a quadruple aorta-coronary bypass with a pacemaker implanted in December 2005 after suffering a myocardial infarction.

The Guardian - Sport

Top lawyers, with a track record of winning against the government, have said the quadruple lock is not sustainable and instead of trying to answer these questions the PM remains hell bent on ramming this bill through parliament in a dangerously short period of time.

The Guardian

We believe a buffer zone, which includes a no-fly zone, would triple if not quadruple the number of defections, which really speeds up the process of ending the regime.

The Guardian

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

Woods, whose previous worst of 82 came at the Waste Management Phoenix Open in January, struggled throughout and was already nine over par before finishing with a quadruple-bogey on the par-four 18th.

The Guardian - Sport

Treasuries deserved a "quadruple-A" rating, he harrumphed.

The Economist

Expert writing Tips

Best practice

Use "quadruple" when you want to emphasize a precise increase by a factor of four. It's suitable for both formal and informal contexts, but ensure the numerical precision is relevant.

Common error

Avoid using "quadruple" when you simply mean a large increase without specifying a factor of four. Using a more general term like "increase significantly" is more accurate if the increase isn't precisely fourfold.

Linguistic Context

The primary grammatical function of "quadruple" is as a verb describing the act of multiplying something by four or increasing it to four times its original amount. As Ludwig AI confirms, it's also used as an adjective.

Expression frequency: Very common

Frequent in

News & Media

50%

Formal & Business

30%

Science

10%

Less common in

Encyclopedias

3%

Wiki

3%

Reference

4%

Ludwig's WRAP-UP

The word "quadruple" is a grammatically sound term, primarily functioning as a verb to denote multiplying by four or increasing to four times the original amount. Ludwig AI confirms its usage as both a verb and an adjective. Its communicative purpose is to quantify a significant increase, making it common in news, formal business contexts, and scientific discourse. While understandable across registers, its precision lends itself more to formal settings. If you're not referring to a precise fourfold increase, consider more general terms. As the examples on Ludwig demonstrate, "quadruple" is a powerful way to express substantial growth or multiplication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

increase fourfold

Focuses on the mathematical aspect of multiplying by four, often used in technical contexts.

multiply by four

Emphasizes the mathematical operation involved.

make four times bigger

A more straightforward and less formal way of expressing the same concept.

amplify four times

Indicates making something larger or more intense, specifically by a factor of four.

boost fourfold

Suggests a significant and positive increase by a factor of four.

scale up by a factor of four

Suggests proportionally increasing something, often used in business or project management contexts.

inflate by a factor of four

Implies a substantial and potentially unsustainable increase.

increase exponentially

Suggests a rapid increase, but not necessarily by a factor of four.

quadruplicate

Implies creating four copies or instances, rather than increasing a single quantity.

quadruplex

Related to being fourfold or having four parts, often in technical or architectural contexts.

FAQs

How is "quadruple" used in a sentence?

You can use "quadruple" as a verb to describe increasing something by a factor of four, as in, "The company's profits quadrupled this year." It can also be used as an adjective, as in, "They are aiming for a quadruple increase in sales."

What words can I use instead of "quadruple"?

Alternatives include "increase fourfold", "multiply by four", or "amplify four times", depending on the specific context and desired emphasis.

Which is correct, "quadruple" or "quadruplicate"?

"Quadruple" means to increase by a factor of four, while "quadruplicate" means to make four copies. They are not interchangeable; use "quadruple" when referring to a fourfold increase and "quadruplicate" when referring to making four copies of something.

What's the difference between "quadruple" and "triple"?

"Quadruple" means to increase by a factor of four, while "triple" means to increase by a factor of three. Use "quadruple" when something becomes four times its original amount, and "triple" when it becomes three times the original.