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man·​i·​fold ˈma-nə-ˌfōld How to pronounce manifold (audio)
: marked by diversity or variety
performs the manifold duties required of himJ. H. Ferguson
: many
the manifold details
: comprehending or uniting various features : multifarious
the romantic symphony, with its manifold melodic contentP. H. Lang
: rightfully so-called for many reasons
a manifold liar
: consisting of or operating many of one kind combined
a manifold bellpull
manifoldly adverb
manifoldness noun


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


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manifolded; manifolding; manifolds

transitive verb

: to make manifold : multiply
: to make several or many copies of

intransitive verb

: to make several or many copies


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: something that is manifold: such as
: a whole that unites or consists of many diverse elements
the manifold of aspirations, passions, frustrationsHarry Slochower
: 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
: 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

Examples of manifold in a Sentence

Adjective 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
The reasons for this shift are manifold, but the unsustainability of the restaurant industry is one big factor. Tori Latham, Robb Report, 5 Sep. 2023 Whitehead’s triptych plays out against the backdrop of deindustrialization and manifold Cold War-era political shifts slowly choking the city and country to death. Walton Muyumba,, 13 July 2023 The museum itself is host to nine distinct galleries, exploring the manifold cultural, economic, artistic, and social contributions of enslaved Africans and their descendants to American culture. Camille Okhio, ELLE Decor, 29 June 2023 The pandemic—and its manifold impacts—is the biggest national disaster of the past half decade, Cowen wrote. Jane Thier, Fortune, 7 June 2023 Despite their manifold flaws—the dead wives, drug insanity, and batty religious conversions—men like Elvis and Jerry Lee retain their patina of glamour, their plinth and their worshippers. Matthew Gavin Frank, Harper's Magazine, 4 May 2023 The group, as a formal trade association, has a manifold mission. Andrew Zaleski, The New Republic, 21 Apr. 2023 The Democrats allowed the GOP to define the program for the public as something nefarious, failed to stand up for its manifold virtues — and got slaughtered in that year’s midterm elections, losing six Senate and 63 House seats. Michael Hiltzik, Los Angeles Times, 9 Mar. 2023 Accelerating from rest, the engine feels like a little V-6 up to 20 mph, where the boost indicator switches from yellow (2 psi manifold pressure), to red (over 5 psi manifold pressure). Don Sherman, Car and Driver, 8 Mar. 2023
In the past fortnight, hope has grown manifold in the field. Ananya Bhattacharya, Quartz, 15 Feb. 2022 Experts caution that once firms go public, the scrutiny goes up manifold. Ananya Bhattacharya, Quartz, 24 Mar. 2021
Is the complexity of symplectic manifolds mostly just coming from the complexity of these more flexible, smooth spaces? Quanta Magazine, 29 Mar. 2023 It was already known that many 3D manifolds cannot serve as a state space for any Anosov flows at all. Jordana Cepelewicz, Quanta Magazine, 15 June 2023 The Power Stroke engine also features a new turbocharger along with improved exhaust manifolds and unique tuning. Austin Irwin, Car and Driver, 21 June 2023 Consider the surface of a doughnut, or torus — a two-dimensional manifold. Jordana Cepelewicz, Quanta Magazine, 15 June 2023 And then from there, all sorts of other more complicated mathematical constructions, like manifolds, or, or whatever. Steven Strogatz, Quanta Magazine, 19 Apr. 2023 Female dogs, cats and other mammals have manifolds on their chests so lots of little animals can feed at once. Tim Carter, Chicago Tribune, 5 May 2023 The whole top half of the engine—heads, intake and exhaust manifolds—is new, so the V-6 can breathe properly for the first time in its seventeen-year history. Don Sherman, Car and Driver, 8 Mar. 2023 What is a three-dimensional manifold? Rachel Crowell, Scientific American, 22 Nov. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'manifold.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Adjective, Adverb, and Verb

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

First Known Use


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

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

Dictionary Entries Near manifold

Cite this Entry

“Manifold.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

Kids Definition


1 of 3 adjective
man·​i·​fold ˈman-ə-ˌfōld How to pronounce manifold (audio)
: of many and various kinds
manifold excuses
: including or uniting various features
a manifold personality
: consisting of or operating many of one kind joined together
a manifold pipe
manifoldly adverb


2 of 3 noun
: something manifold
especially : a pipe fitting having several outlets for connecting one pipe with others


3 of 3 verb
: to make several copies
manifold a manuscript

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