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Showing results for identical twin. Search instead for identical kinds.
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.

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

That’s more than eight times higher than the expenses on Vanguard’s real-estate index fund and its identical twin exchange-traded fund.

From The Wall Street Journal • Nov. 7, 2025

My gaze passed over Neil’s identical twin brother, Sahil Roy, who apparently had noticed me and was now smiling, his face bright and happy.

From "From Twinkle, with Love" by Sandhya Menon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.