twin

noun
\ ˈtwin How to pronounce twin (audio) \

Definition of twin

 (Entry 1 of 3)

1a : either of two offspring produced in the same pregnancy
b Twins plural : gemini
2 : one of two persons or things closely related to or resembling each other
3 : a compound crystal composed of two adjoining crystals or parts of crystals of the same kind that share a common plane of atoms

twin

adjective

Definition of twin (Entry 2 of 3)

1 : born with one other or as a pair at one birth my twin brother twin girls
2a : made up of two similar, related, or connected members or parts : double
b : paired in a close or necessary relationship : matching
c : having or consisting of two identical units
d : being one of a pair

twin

verb
twinned; twinning

Definition of twin (Entry 3 of 3)

transitive verb

1 : to bring together in close association : couple

intransitive verb

1 : to bring forth twins
2 of a crystal : to grow in a compound form with two adjoining sections that share a common plane of atoms

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Other Words from twin

Noun

twinship \ ˈtwin-​ˌship How to pronounce twin (audio) \ noun

Synonyms & Antonyms for twin

Synonyms: Noun

Synonyms: Adjective

Antonyms: Adjective

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Examples of twin in a Sentence

Noun She's the mother of twins. The twins went swimming after lunch. My sister just had twins. Sarah and her brother are twins. Adjective the twin goals of reducing oil dependence and protecting the environment
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Recent Examples on the Web: Noun Base price: $222,620 Price, as tested: $278,221 Powertrain: twin-turbocharged, 3.9-liter DOHC V8 with dry-sump lubrication; eight-speed dual-clutch automatic transmission with manual paddle shifters; rear drive with torque vectoring. Dan Neil, WSJ, "2021 Ferrari Roma: A High-Tech Sports Car With a Midcentury Look," 30 Apr. 2021 The new-to-M4 S58 twin-turbo six helps offset the extra mass, offering 48 more horsepower than the S55 did in the previous gen at its launch. Tony Quiroga, Car and Driver, "Tested: 2021 BMW M4 Delivers What Matters," 29 Apr. 2021 Huang envisions a Metaverse, a virtual world that is a digital twin of ours, a science-fiction concept that is just beginning to become reality. Edward Felsenthal, Time, "Every Company is a Tech Company Now. The Disruption is Just Beginning," 27 Apr. 2021 My mother, the OG Heloise (1919-1977), was an identical twin. Washington Post, "Hints From Heloise: Can a cellphone be charged too much?," 20 Apr. 2021 In their study, the scientists, from Radboud University, University of Oxford, and the French Institute for Demographic Studies, found that one in 42 babies born today is a twin. Caroline Delbert, Popular Mechanics, "Why Humans Are Having More Twins Now Than at Any Time in History," 17 Mar. 2021 Levavi says that virtual stores are created as digital representations of real physical stores, a kind of digital twin in some cases. Jennifer Kite-powell, Forbes, "Here Is How Lancôme Used XR To Create New Customer Experiences," 10 Mar. 2021 Both the 300-series Land Cruiser and the new LX are likely to get new powertrains including the twin-turbo 3.5-liter V-6 engine found in the Lexus LS and an eventual hybrid derivative. Joey Capparella, Car and Driver, "New Toyota Land Cruiser Leaked, but U.S. Future Unclear," 22 Apr. 2021 Now, it’s been outwitted by its evil twin, Seth McFarland’s Family Guy (which regularly bashes famous conservatives). Armond White, National Review, "The Simpsons Tries to Cancel Morrissey," 21 Apr. 2021 Recent Examples on the Web: Adjective In addition Cabral’s twin brother Rémi signed to play with Galaxy II, the MLS club’s affiliate in the second-division USL Championship. Los Angeles Times, "Galaxy sign French defender Séga Coulibaly to bolster roster," 28 Apr. 2021 This Human-Sized Origami Reimagines Emergency Shelters When flat, the structure is about the size of a twin mattress. Max G. Levy, Wired, "This Human-Sized Origami Reimagines Emergency Shelters," 27 Apr. 2021 Her twin brother, Samar Khawaja, had the second highest grades in their class. Stephanie García, baltimoresun.com, "Baltimore City College students transform Latin American cultural club into powerful advocacy group," 27 Apr. 2021 The sailing wasn’t quite as smooth for Roxboro eighth-grader Robbie Caldwell, who contracted COVID-19 a week before her and her twin brother’s 14th birthday. Thomas Jewell, cleveland, "CH-UH ‘State of Our Schools’ puts some perspective, distance on year of the pandemic," 26 Apr. 2021 Eden and her twin brother, Jordan, recently marked one year of distance learning. Washington Post, "10-year-old Florida girl writes a song to let kids know that fears are normal," 25 Apr. 2021 My twin brother and I were born in Pittsburgh, where my father had begun working as an electrical engineer. Michael Luo, The New Yorker, "The Forgotten History of the Purging of Chinese from America," 22 Apr. 2021 Stonehill commit Cristian Georges returned to action after missing most of Fall II due to injury and Christian Ais starred on both sides of the ball, making up for the absence of his twin brother, Christopher, who was out with an eye injury. BostonGlobe.com, "Lincoln Beal, Scott Brown — ‘The Killer Bees’ — lead swarm in Andover’s win over Chelmsford," 22 Apr. 2021 His twin brother, Patrick Perkins, announced the news on Instagram Wednesday without disclosing the cause of death. Nick Romano, EW.com, "Adam Perkins, Vine star and musician, dies at 24," 15 Apr. 2021 Recent Examples on the Web: Verb If '1917' doesn't twin the top Oscar, 'Once Upon a Time … in Hollywood' will. Michael Phillips, chicagotribune.com, "Highlights from challenging times during pandemic in the film world," 25 Nov. 2020 Freeman led the Warriors to twin 5-5 seasons starting in 2015 until the breakthrough in 2017. Dennis Victory, al, "Thompson, Hoover battle for supremacy of big-time high school football," 22 Oct. 2020 Their outing wouldn’t be the first time Witherspoon and her daughter were twinning. Robyn Merrett, PEOPLE.com, "Reese Witherspoon and Look-Alike Daughter Ava Phillippe Twin in Red Lipstick for Holiday Selfie," 23 Dec. 2019 Kylie and Stormi were just adorably twinning on vacay together. Katherine J Igoe, Marie Claire, "Kylie Jenner's Daughter Stormi Is Adorably Trying on Makeup Already," 13 Dec. 2019 Latrice Knighton, a Wauwatosa mom to twin toddlers, has gone online to order bubble bath, a face mask, foot stone, nail files and a new shade of fingernail polish. Amy Schwabe, Milwaukee Journal Sentinel, "A slower-paced, stay-at-home Mother's Day gives moms a rare opportunity to think about what they really want," 29 Apr. 2020 Queen Elizabeth recently toured the Back to Nature Garden that Kate Middleton helped create, and the two royals bonded and twinned in floral dresses. Nicole Saunders, Harper's BAZAAR, "Royal Baby Archie Already Has a Flower Named After Him," 30 May 2019 But listen for its energy and optimism, and the luster of Mitchell and Eagan’s twining voices. Alexis Soloski, New York Times, "A Cast Album I Love: ‘The Secret Garden’," 27 Apr. 2020 The study found that three groups of fibers were separated and twisted clockwise like an S and once twisted, the strands were twined counterclockwise to form a cord. Katie Hunt, CNN, "World's oldest string of yarn shows Neanderthals were smarter than we thought," 9 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'twin.' 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 twin

Noun

14th century, in the meaning defined at sense 1a

Adjective

1593, in the meaning defined at sense 1

Verb

14th century, in the meaning defined at transitive sense 1

History and Etymology for twin

Noun

Middle English, from twin twofold

Adjective

Middle English, twofold, double, from Old English twinn; akin to Old Norse tvinnr two by two, Old English twā two

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Time Traveler for twin

Time Traveler

The first known use of twin was in the 14th century

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Statistics for twin

Last Updated

6 May 2021

Cite this Entry

“Twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin. Accessed 9 May. 2021.

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More Definitions for twin

twin

noun

English Language Learners Definition of twin

 (Entry 1 of 3)

: either one of two babies that are born at the same time to the same mother
: either one of two similar things that form a pair

twin

adjective

English Language Learners Definition of twin (Entry 2 of 3)

used to describe children who are twins
: made up of two similar things that are used together
: forming one of a pair of related or connected ideas or places

twin

verb

English Language Learners Definition of twin (Entry 3 of 3)

: to bring (two things) together in close association
British : to form a relationship between (two towns in two countries)

twin

noun
\ ˈtwin How to pronounce twin (audio) \

Kids Definition of twin

 (Entry 1 of 2)

1 : either of two offspring produced at one birth
2 : one of two persons or things closely related to or very like each other On the opposite side of the river is the city's twin.

twin

adjective

Kids Definition of twin (Entry 2 of 2)

1 : born with one other or as a pair at one birth my twin brother
2 : made up of two similar, related, or connected members or parts a twin-engine airplane
3 : being one of a pair Her face was a pasty white with twin spots of rouge on the cheeks.— Gail Carson Levine, Ella Enchanted

twin

adjective
\ ˈtwin How to pronounce twin (audio) \

Medical Definition of twin

 (Entry 1 of 2)

: born with one other or as a pair at one birth a twin brother twin girls

twin

noun

Medical Definition of twin (Entry 2 of 2)

1 : either of two offspring produced at a birth
2 twins plural : a group of two offspring born at one birth

Other Words from twin

twinship \ -​ˌship How to pronounce twin (audio) \ noun

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Comments on twin

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