identical twin

noun

Synonyms of identical twinnext
: either member of a pair of twins that are produced from a single egg and who look exactly alike

Examples of identical twin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Richard explained that normally, the DNA of identical twins is identical. — Peter Henderson, CBS News, 26 Aug. 2026 Nancy’s daughters, after all, inspired the names of Lindsay Lohan’s identical twin characters in her directorial debut, The Parent Trap. — Ingrid Abramovitch, Architectural Digest, 25 Aug. 2026 Born in Colombia, the 50-year-old mother of four immigrated to the United States as a teenager and built a successful merchant services company with her identical twin sister before launching CeraViva. — Peter Burke, FOXNews.com, 1 Aug. 2026 When the girls were about 18 months old, the same father from their adoption group ran a DNA test that confirmed the girls were identical twins. — Wendy Grossman Kantor, PEOPLE, 26 July 2026 See All Example Sentences for identical twin

Rhymes for identical twin

See All Rhymes for identical twin

Browse Nearby Words

identical rhyme
identical twin
identifiability
See all Nearby Words

Cite this Entry

“Identical twin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/identical%20twin. Accessed 1 Sep. 2026.

Copy Citation

Kids Definition

identical twin

noun
: either member of a pair of twins that are produced from a single fertilized egg, usually have identical genes, and are physically similar

More from Merriam-Webster on identical twin

Thesaurus: All synonyms and antonyms for identical twin

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Popular in Grammar & Usage

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words
See More

Popular in Wordplay

See More

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
skateboard-dog-hat
Wordmaxxing Slang Quiz Give your vocabulary a glow up by getting sendy w...
See All