fourfold

[ fawr-fohld, fohr- ]

adjective

1. comprising four parts or members.
2. four times as great or as much.

adverb

1. in fourfold measure.

fourfold

/ ˈfɔːˌfəʊld /

adjective

1. equal to or having four times as many or as much
2. composed of four parts

adverb

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

Word History and Origins

Origin of fourfold¹

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

Example Sentences

“Today we've got somewhere less than 2%, as well as a fourfold decrease in the living tissue color cover of our coral reefs in the Keys. That's due almost entirely to things like climate change.”

From Salon

Every age group has suffered increases, with the most alarming spike -- nearly fourfold -- in those aged 25 to 34.

From Science Daily

The purpose of prison is fourfold – to punish, protect the public, deter crime and give the opportunity for rehabilitation.

From BBC

But this has grown more than fourfold since the 2018 Salisbury poisonings, says Mr Jukes, when a nerve agent was used to try to assassinate a former Russian spy and his daughter.

From BBC

The long waits have been caused by rising demand - referrals have increased fourfold since 2019 - and three trusts have closed their waiting lists completely.

From BBC