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

Perry’s insurance costs have increased fourfold since 2019, and her payroll expenses are up 35 percent from pre-pandemic levels. —Lauren Hilgers, Harpers Magazine, 23 Nov. 2025

That is a fourfold increase over early AL-31 variants and a substantial leap over existing production engines. —Chris Young, Interesting Engineering, 19 Nov. 2025

Instead, the county has increased fourfold the subsidies from the general fund — from money that would otherwise go to other county services. —Mercury News Editorial, Mercury News, 19 Oct. 2025

Those making below 250% of the federal poverty level could see their net premiums rise more than fourfold, while those between 250% and 400% would see their premiums double. —Christopher Robertson, The Conversation, 7 Oct. 2025

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

Rhymes for fourfold

• ahold
• behold
• billfold
• blindfold
• cajoled
• consoled
• controlled
• cotswold
• eightfold
• enfold
• enrolled
• extolled

Kids Definition

fourfold

adjective

four·​fold -ˌfōld 

-ˈfōld

: being four times as great or as many