twin

noun

\ ˈtwin

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

2 : duplicate, match

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

Other Words from twin Synonyms & Antonyms More Example Sentences Learn More about twin

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Synonyms & Antonyms for twin

Synonyms: Noun

companion, fellow, half, match, mate

Synonyms: Adjective

binary, bipartite, double, double-barreled, double-edged, dual, duplex, twofold

Antonyms: Adjective

single

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

Recent Examples on the Web: Noun

The twins recently returned to the legendary theater, this time with their names on the marquee, sharing the stage with the legendary Maurice Hines Jr. in his show Club Harlem. — courant.com, "Community News For The West Hartford Edition," 16 Sep. 2019 Division 3 Christopher and Christian Ais, Stoughton — The twins were all over the field for the Black Knights in a 47-6 runaway win over Medford, combining for three total touchdowns. — BostonGlobe.com, "Ayden Pereira, Central Catholic," 16 Sep. 2019 The identical twins went to local public schools and then Stanford University and Harvard Law School. — Marina Starleaf Riker, ExpressNews.com, "San Antonio’s favorite twins ring in 45th birthday," 16 Sep. 2019 Earlier this summer, news broke that a New York couple had given birth to twins that weren't biologically theirs after undergoing IVF. — Macaela Mackenzie, Glamour, "A Couple Is Suing Their Fertility Clinic After Having a Baby of A Different Race," 13 Sep. 2019 The twins are turning [five] and Mikayla [her eldest child] is turning 10. — Clarkisha Kent, EW.com, "Real-life couple channels Pixar's Up in viral photoshoot for great-grandson's birthday," 13 Sep. 2019 Our family has gone from having two units of two (the parents and the twins) to now being a triangle of three. — oregonlive, "Opinion: A Portland father reflects on the sudden loss of his son," 11 Sep. 2019 The Department of Human Resources was also summoned to check on the well-being of the victim’s twin and their older brother. — Carol Robinson | Crobinson@al.com, al, "'Our whole community is devastated’: Toddler dies 3 days after suffering head injuries," 9 Sep. 2019 The twins appeared destined to be among the Berlin Zoo’s most famous inhabitants. — New York Times, "At Berlin Zoo, a Clamor to Name Twin Pandas ‘Hong’ and ‘Kong’," 6 Sep. 2019

Recent Examples on the Web: Adjective

San Antonio’s most prominent twin brothers always host a birthday bash. — Marina Starleaf Riker, ExpressNews.com, "San Antonio’s favorite twins ring in 45th birthday," 16 Sep. 2019 The new one shines on the hill, a robotic collection of glass towers looking like Century City’s twin brother. — Los Angeles Times, "Robert A. Jones, pioneering environmental voice and whitewater adventurer, dies at 74," 15 Sep. 2019 Dowell said not much has not changed much from when Dantonio was recruiting him and his twin brother Andrew in high school. — Chris Solari, Detroit Free Press, "On cusp of history, Mark Dantonio still thirsts for greatness at Michigan State," 14 Sep. 2019 The instigator spreading such wild gossip is Landan Paulsen, Levi’s twin brother, whose best finish in a high school state wrestling tournament was second place. — Laken Litman, SI.com, "The Wrestling Background That Bonds Iowa's Offensive Line," 13 Sep. 2019 Sadie's twin brother Stokely does not suffer from the disease. — Fernando Alfonso Iii, CNN, "CNN analyst Bakari Sellers' baby daughter receives liver transplant, ending months of waiting," 12 Sep. 2019 Missy gets ready as her mother checks her notebook before the first day of school, her first without her twin brother. — Jessica Contrera, Washington Post, "She and her twin were inseparable. Then a gunman tore the 15-year-olds apart.," 8 Sep. 2019 For Morgan, her twin brother, who was preparing to deploy to Afghanistan. — Sandra Sidi, The Atlantic, "The Male Gaze on Steroids," 6 Sep. 2019 Gene Loves Jezebel was formed in 1980 with Aston and his twin brother Michael. — Trevor Fraser, orlandosentinel.com, "Jay Aston’s Gene Loves Jezebel brings their ’80s hits to The Social in Orlando," 5 Sep. 2019

Recent Examples on the Web: Verb

However, its stock actually traded down on Tuesday morning after reporting capital expenditure came in about $200 million above expectations in the second quarter – despite twinning that with a $500 million bump to share buybacks. — Washington Post, "Even Boone Pickens Is Falling Out of Love With Oil," 18 Sep. 2019 From identical neon vacation vibes to twinning in comfy gray sweatsuits, here are all of the times Stormi Webster proved to be a tiny Kylie in training. — De Elizabeth, Teen Vogue, "Kylie Jenner and Stormi Webster's Best Matching Moments," 30 June 2019 But the supermodel sisters stepped out at the 2019 Video Music Awards both as blondes, for the first time ever together, and are seriously twinning. — Maya Allen, Marie Claire, "Bella and Gigi Hadid Are Blonde Hair Twins at the 2019 VMAs," 27 Aug. 2019 Jade also shared a cute video of her and Taylor to Twitter later in the night, showing just how much the two were twinning. — Gabe Bergado, Teen Vogue, "John Travolta Apparently Mistook Jade Jolie as Taylor Swift at the MTV VMAs 2019," 27 Aug. 2019 Invited onto the stage amid a group of mannequins twined together and four muzzled dance artists (one in chains), the audience proved an essential element to the work. — Rob Hubbard, Twin Cities, "Review: ‘Momentum’ offers mixed dance visions, one exciting, one taxing," 12 July 2019 The tougher job will be convincing investors that the company’s equity story – twinning organic growth with a strategy of acquiring competitors – is still a winner. — Chris Hughes | Bloomberg, Washington Post, "Nelson Peltz Likes the Look of American Plumbing," 14 June 2019 And the BFFs were totally twinning in oversize blazers and no pants (technically, Sophie was wearing shorts and a tee underneath. — Katherine J Igoe, Marie Claire, "Sophie Turner and Priyanka Chopra Are Twins in Oversize Blazers and No Pants," 30 Aug. 2019 In a photo posted to Instagram yesterday, Kate Hudson twinned with her adorable 10-month-old daughter, Rani Rose. — Chelsey Sanchez, Harper's BAZAAR, "Kate Hudson’s Daughter Rani Rose Looks So Grown Up in New Instagram Pics," 9 Aug. 2019

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.