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Showing results for identical twin. Search instead for identical--twins.
Synonyms

identical twin

American  

noun

  1. one of a pair of twins who develop from a single fertilized ovum and therefore have the same genotype, are of the same sex, and usually resemble each other closely.


Etymology

Origin of identical twin

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Brendon has an identical twin brother named Kelly Donovan, who appeared as his stand-in and double in episodes of “Buffy.”

From Los Angeles Times ● Mar. 21, 2026

"I always wished I was an identical twin - I liked being a twin, but being an identical twin is a bit cooler," Grace said.

From BBC ● Feb. 24, 2026

Elliott meets, and is attracted to, Joey’s identical twin brother, the gay Jack, a successful businessman who explains that Joey has suffered serious psychological problems.

From The Wall Street Journal ● Feb. 13, 2026

Yates and his identical twin brother Adam turned professional in 2014 with Orica-GreenEdge, now known as Jayco-AlUla.

From BBC ● Jan. 7, 2026

The Ghost tosses the crown to my identical twin.

From "The Cruel Prince" by Holly Black

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