four·​fold | \ ˈfȯr-ˌfōld How to pronounce fourfold (audio) , -ˈfōld \

Definition of fourfold

1 : being four times as great or as many
2 : having four units or members

Keep scrolling for more

Other Words from fourfold

fourfold \ ˈfȯr-​ˈfōld How to pronounce fourfold (audio) \ adverb

Examples of fourfold in a Sentence

There has been a fourfold increase in membership this year.
Recent Examples on the Web After declining in early summer, child cases have seen a fourfold increase over the past month, rising from about 38,000 cases the week ended July 22 to 180,000 the past week, according to the AAP. Felicia Schwartz, WSJ, 23 Aug. 2021 In Argentina, where infections have risen more than fourfold since February, President Alberto Fernández has faced criticism over failing to secure enough vaccines. Samantha Pearson, WSJ, 21 June 2021 Ghana’s energy-sector debt could surge more than fourfold to $12.5 billion by 2023 unless concrete steps are taken to rein it in. Moses Mozart Dzawu,, 13 Feb. 2021 About 800 people were hospitalized in the nine-county region as of Friday — a more than fourfold increase since July 1. Emma Talley, San Francisco Chronicle, 8 Aug. 2021 On Tuesday, 1,279 coronavirus-positive patients were hospitalized countywide, a fourfold increase in just the last month. Andrew Mendez, Los Angeles Times, 7 Aug. 2021 Alaska’s passenger revenue for the quarter rose to $1.35 billion, a fourfold improvement from the same period a year ago. Anchorage Daily News, 22 July 2021 As the delta variant has taken hold in Connecticut in recent weeks, the state has seen a fourfold increase in both its positivity rate and its number of new cases. Alex Putterman,, 22 July 2021 Prime Minister Narendra Modi wants to boost the country’s green energy capacity to 450 gigawatts—a fourfold increase—by 2030. Yvonne Lau, Fortune, 8 July 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fourfold.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of fourfold

before the 12th century, in the meaning defined at sense 1

History and Etymology for fourfold

Middle English, from Old English fēowerfeald, from fēower + -feald -fold

Keep scrolling for more

Learn More About fourfold

Time Traveler for fourfold

Time Traveler

The first known use of fourfold was before the 12th century

See more words from the same century

Dictionary Entries Near fourfold

four flush



See More Nearby Entries 

Statistics for fourfold

Last Updated

10 Sep 2021

Cite this Entry

“Fourfold.” Dictionary, Merriam-Webster, Accessed 16 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for fourfold



English Language Learners Definition of fourfold

: four times as great or as many


four·​fold | \ ˈfȯr-ˌfōld How to pronounce fourfold (audio) \

Kids Definition of fourfold

: being four times as great or as many a fourfold increase

More from Merriam-Webster on fourfold

Nglish: Translation of fourfold for Spanish Speakers


Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!