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

The new program represents a fourfold increase to that incentive, providing borrowers with a greater benefit. — Adam S. Minsky, Forbes.com, 29 July 2026

The company reported a 60 percent reduction in roll and a fourfold reduction in peak roll rates compared with traditional monohull vessels. — Jijo Malayil, Interesting Engineering, 27 July 2026

Tesla, which has a plant in Brandenburg near Berlin, posted a more than fourfold increase in new registrations in Germany in May compared with a year earlier, according to the KBA Motor Transport Authority. — Bloomberg, Mercury News, 23 June 2026

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