1
a
: either of two offspring produced in the same pregnancy
b
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
twinned; twinning
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
Synonyms
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
Dan Albano, Orange County Register, 7 Nov. 2024
The former spouses also share twins Vivian Jenna and Griffin, who were born in 2004, and triplets Kai, Saxon, and Damian, who were born in 2006.
—Charmaine Patterson, People.com, 5 Nov. 2024
Jakob Rodgers, The Mercury News, 8 Nov. 2024
Kyrie Davidson, 38, posted the video on Instagram, which shows her older twin girls, Amelia and Kamryn, running with excitement to meet their new siblings as soon as the family arrived home from the hospital.
—Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Chiara Kim, People.com, 1 Nov. 2024
The family of three got all dressed up as the Beetlejuice characters, with Duhamel and Shepherd twinning as Beetlejuice, and Mari channeling Dolores.
—Emma Aerin Becker, People.com, 1 Nov. 2024
See all Example Sentences for twin 
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Noun
They’re projected to start the Miyatake and Muller twins with athletic forward Ellie Frazier.
9.
—Dan Albano, Orange County Register, 7 Nov. 2024
The former spouses also share twins Vivian Jenna and Griffin, who were born in 2004, and triplets Kai, Saxon, and Damian, who were born in 2006.
—Charmaine Patterson, People.com, 5 Nov. 2024
Adjective
The twin recalls of Alameda County District Attorney Pamela Price and Oakland Mayor Sheng Thao appeared on the path to success this week, with both measures leading by a roughly 2-to-1 margin.
—Jakob Rodgers, The Mercury News, 8 Nov. 2024
Kyrie Davidson, 38, posted the video on Instagram, which shows her older twin girls, Amelia and Kamryn, running with excitement to meet their new siblings as soon as the family arrived home from the hospital.
—Thomas G. Moukawsher, Newsweek, 5 Nov. 2024
Verb
The father-son duo twinned in adorable Beetlejuice costumes, wearing the character's iconic striped suit, spikey green wigs and dark face paint.
—Chiara Kim, People.com, 1 Nov. 2024
The family of three got all dressed up as the Beetlejuice characters, with Duhamel and Shepherd twinning as Beetlejuice, and Mari channeling Dolores.
—Emma Aerin Becker, People.com, 1 Nov. 2024
See all Example Sentences for twin
Dictionary Entries Near twin
Cite this Entry
“Twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/twin. Accessed 1 Dec. 2024.
Copy CitationKids Definition
twin
1 of 3 adjective1
: born with one other or as a pair at one birth
my twin brother
twin girls
2
a
: made up of two similar, related, or connected members or parts
b
: being one of a pair
a twin city
twin
2 of 3 verb
twinned; twinning
: to produce or give birth to twins
twin
3 of 3 noun
: either of two offspring produced at a birth compare fraternal twin, identical twin
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