fourfold

adjective

four·​fold ˈfȯr-ˌfōld  -ˈfōld 

1

: being four times as great or as many

2

: having four units or members

fourfold

ˈfȯr-ˈfōld 

adverb

Examples of fourfold in a Sentence

There has been a fourfold increase in membership this year.

Recent Examples on the Web

However, the Fever had more than a fourfold jump, significantly more than the Los Angeles Sparks’ 69% growth, which was second, according to the WNBA. —Jake Piazza, CNBC, 27 Sep. 2024

Between 2019 and 2022, the rates of injuries to e-bike users rose fourfold and for powered scooter users nearly doubled – that’s a spike of 293 % and 88 % respectively. —Tanya Mohn, Forbes, 25 Sep. 2024

Purchases, which typically jump during the hottest months as air conditioners crank up, have risen as much as fourfold since March to about 350,000 barrels a day, according to Vortexa. —Eva Roytburg, Fortune, 12 July 2024

In 2022, there were 363 attacks on emergency medical service workers, a fourfold surge compared to 2018, according to the most recent FDNY data. —Chris Sommerfeldt, New York Daily News, 11 Apr. 2024

Word History

Etymology

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

First Known Use

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

Kids Definition

fourfold

adjective

four·​fold -ˌfōld 

-ˈfōld

: being four times as great or as many