fourfold

American  

[fawr-fohld, fohr-] / ˈfɔrˌfoʊld, ˈfoʊr- /

adjective

1. comprising four parts or members.

2. four times as great or as much.

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adverb

1. in fourfold measure.

fourfold British  

/ ˈfɔːˌfəʊld /

adjective

1. equal to or having four times as many or as much

2. composed of four parts

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adverb

1. by or up to four times as many or as much

Etymology

Origin of fourfold

before 1000; Middle English foure fald, Old English feowerfealdum. See four, -fold

Example Sentences

Revenue from overseas operations increased almost fourfold to 16.27 billion yuan, accounting for 44% of total revenue.

From The Wall Street Journal • Mar. 25, 2026

“Memory prices have skyrocketed way beyond our expectations,” Lee wrote, highlighting that Apple could see its memory-component costs increase more than fourfold.

From MarketWatch • Mar. 2, 2026

Southwest Airlines finished up 19% after the Dallas-based carrier projected a fourfold profit surge this year as it transitions to assigned seats and other premium offerings.

From The Wall Street Journal • Jan. 29, 2026

A kilo of unshelled pistachios has surged fourfold month-on-month since mid-January.

From Barron's • Jan. 20, 2026

He adopted the slang of the illegal trade, increasing his English vocabulary fourfold.

From "Middlesex: A Novel" by Jeffrey Eugenides