twofold

American  

[too-fohld, too-fohld] / ˈtuˌfoʊld, ˈtuˈfoʊld /

adjective

1. having two elements or parts.

2. twice as great or as much; double.

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adverb

1. in twofold measure; doubly.

twofold British  

/ ˈtuːˌfəʊld /

adjective

1. equal to twice as many or twice as much; double

   a twofold increase

2. made of two parts; dual

   a twofold reason

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adverb

1. doubly

Other Word Forms

• twofoldness noun

Etymology

Origin of twofold

Middle English word dating back to 1125–75; two, -fold

Example Sentences

In tumor samples from HPV-positive cancer patients, cancer cell killing increased by twofold to threefold.

From Science Daily • Feb. 18, 2026

The McCoys’ signature achievement has been twofold, said Jeff Crooks, a San Diego wetlands expert.

From Los Angeles Times • Feb. 14, 2026

The aim of the social supermarket is twofold, according to Watkins.

From BBC • Feb. 5, 2026

It may be easy to lose hope, but Enck says it is not too late to make a difference -- pointing to a twofold approach that combines personal action with collective pressure.

From Barron's • Jan. 22, 2026

The motives behind building the new church were twofold: to resurrect the ancient splendor of Byzantium and to show the world the financial wherewithal of die prospering Greek American community.

From "Middlesex: A Novel" by Jeffrey Eugenides