man·​i·​fold | \ˈma-nə-ˌfōld \

Definition of manifold 

(Entry 1 of 4)

1a : marked by diversity or variety performs the manifold duties required of him— J. H. Ferguson

b : many the manifold details

2 : comprehending or uniting various features : multifarious the romantic symphony, with its manifold melodic content— P. H. Lang

3 : rightfully so-called for many reasons a manifold liar

4 : consisting of or operating many of one kind combined a manifold bellpull



Definition of manifold (Entry 2 of 4)

: many times : a great deal will increase your blessings manifold


manifolded; manifolding; manifolds

Definition of manifold (Entry 3 of 4)

transitive verb

1 : to make manifold : multiply

2 : to make several or many copies of

intransitive verb

: to make several or many copies



Definition of manifold (Entry 4 of 4)

: something that is manifold: such as

a : a whole that unites or consists of many diverse elements the manifold of aspirations, passions, frustrations— Harry Slochower

b : a pipe fitting with several lateral outlets for connecting one pipe with others especially : a fitting on an internal combustion engine that directs a fuel and air mixture to or receives the exhaust gases from several cylinders

c : set sense 21

d : a topological space in which every point has a neighborhood that is homeomorphic to the interior of a sphere in Euclidean space of the same number of dimensions

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Other Words from manifold


manifoldly \ -​ˌfōl(d)-​lē \ adverb
manifoldness \ -​ˌfōl(d)-​nəs \ noun

Synonyms for manifold

Synonyms: Adjective

divers, multifarious, myriad

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Examples of manifold in a Sentence


The benefits of this approach are manifold. the manifold attractions of that state make it an ideal destination for a family vacation

Recent Examples on the Web: Adjective

Shiru’s success highlights the manifold ways that companies can ride the flood of consumer data — whether to sell consumers a product or, in the case of Shiru, to find workers in a competitive labor market. Graham Ambrose,, "Free coffee — with a catch — is coming to Massachusetts," 14 July 2018 Actually, in using the texts of 20th-century American poet Robert Lax, Smith emerged in manifold forms. Peter Dobrin,, "The Crossing choir premieres vivid new Kile Smith work," 1 July 2018 The legacy of this trauma, Heti suggests, passed down to her own mother and then to her, in manifold ways. Adam Kirsch, The Atlantic, "The Art of Parenthood," 13 May 2018 When the layers between soldier and citizen weren’t so manifold. Matt Gallagher, WIRED, "Army of 01101111: The Making of a Cyber Battalion," 27 Mar. 2018 Just as any good road warrior shells out for a laptop case, iPad users will reap the manifold benefits of protection, portability and security from a decent iPad case. John Herrman, Popular Mechanics, "How to Replace Your Laptop with an iPad: Apps and Accessories," 1 Nov. 2010 Unlike in the cases of Weinstein or even Al Franken, where revelations unfolded across manifold news cycles lasting weeks and even months, NBC appeared to endure its beating in a single, horrid day. Joe Pompeo, The Hive, "Lauer’s “Double Life”: Inside NBC, the Network Is Trying to Expunge the Lauer Era," 7 Dec. 2017 The 90-minute pilot, made available to stream in August, is maybe the series’s finest episode, setting up the manifold characters and their various arcs with a structure that loosens considerably later on. Sophie Gilbert, The Atlantic, "The Deuce Is Magnificent Television," 8 Sep. 2017 Each of her primary characters seems to represent a particular pillar of society—politics, religion, media, crime—which allows Alderman to examine the manifold implications of the power’s arrival. Sophie Gilbert, The Atlantic, "What If Women Had The Power?," 22 Oct. 2017

Recent Examples on the Web: Noun

The agency said previously that tiny cracks in the exhaust manifold — a cast iron or stainless steel tube that carries combustion gasses to the exhaust — could explain why fumes are entering the cabin. Tom Krisher,, "Safety group pushes Ford to recall Explorer for exhaust fumes," 3 July 2018 But Ford has said there is no pathway for exhaust to escape from the manifold into the car. Tom Krisher, Detroit Free Press, "Advocacy group seeking Ford Explorer recall because of fumes," 4 July 2018 Combined with a freer-flowing exhaust manifold, the MX-5’s engine realized a 30 percent reduction in pumping losses. Jeff Yip, Houston Chronicle, "2019 Mazda MX-5 gets 26-hp boost," 23 June 2018 But Ford has said there is no pathway for exhaust to escape from the manifold into the car. Tom Krisher, Detroit Free Press, "Advocacy group seeking Ford Explorer recall because of fumes," 4 July 2018 But Ford has said there is no pathway for exhaust to escape from the manifold into the car. Tom Krisher,, "Safety group pushes Ford to recall Explorer for exhaust fumes," 3 July 2018 Fire erupted after a pipe leaked fuel onto one engine’s hot exhaust manifold, investigators found. Bart Jansen, USA TODAY, "NTSB: Puerto Rico ship fire revealed maintenance problems, poor crew training," 5 June 2018 Even when the parent has abused or neglected the child, these can still be extremely difficult decisions — with significant weight and manifold considerations that underlie them. Darlene Byrne, Time, "I'm a Judge Who Decides if Children Should Be Separated from Abusive Parents. Here’s How Trump’s Immigration Policy Should Change," 27 June 2018 At the town hall meeting, complaints were manifold. Simon Denyer, Washington Post, "Mongolia’s president, a former martial-arts champion, wrestles with some major problems," 17 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'manifold.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of manifold


before the 12th century, in the meaning defined at sense 1a


before the 12th century, in the meaning defined above


before the 12th century, in the meaning defined at transitive sense 1


13th century, in the meaning defined above

History and Etymology for manifold


Middle English, from Old English manigfeald, from manig many + -feald -fold


see manifold entry 1


see manifold entry 1

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Time Traveler for manifold

The first known use of manifold was before the 12th century

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More Definitions for manifold



English Language Learners Definition of manifold

 (Entry 1 of 2)

: many and various



English Language Learners Definition of manifold (Entry 2 of 2)

: a part of an engine that connects different pipes for moving fuel and air into the engine or for carrying gases away from the engine


man·​i·​fold | \ˈma-nə-ˌfōld \

Kids Definition of manifold

: of many and various kinds manifold blessings

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Comments on manifold

What made you want to look up manifold? Please tell us where you read or heard it (including the quote, if possible).


by force of circumstances

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