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

That represented more than a fourfold increase from the 70 cases in 2021. — Sacbee.com, 22 June 2026

Unemployment rose as remote work grew fourfold, the researchers write. — Andrea Hsu, NPR, 1 June 2026

At last year’s COP30 climate summit, major producers sought to reignite the sector, announcing the Belém 4x Pledge to increase bioenergy and biofuel use fourfold over the next decade. — Nithin Coca, semafor.com, 23 Apr. 2026

Hybrid vehicle sales have risen nearly fourfold in the world’s third-largest auto market to 362,866 units in the financial year ending March 2026, from 98,010 units in the financial year ending March 2020, according to Care Ratings. — Priyanka Salve, CNBC, 23 Apr. 2026

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