Phrase guide

identical twin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

One of exactly two siblings produced from the splitting of a single zygote.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

either of two twins developed from the same fertilized ovum (having the same genetic material)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: monozygotic twin, monozygous twin

Antonyms: none provided

Broader terms: twin

Narrower terms: Siamese twin, conjoined twin

History

Etymology

identical (“indistinguishable”) + twin (“sibling with whom one has shared the uterus of the mother”)

Across languages

Translations

15 source translations are retained for this English entry.

  • Danish: enægget tvilling — sibling
  • Esperanto: unuovola ĝemelo — sibling
  • Finnish: identtinen kaksonen — sibling
  • German: eineiiger Zwilling — sibling
  • Indonesian: kembar identik — sibling
  • Japanese: 一卵性双生児 (ichiranseisōseiji) — sibling
  • Korean: 일란성 쌍둥이 (illanseong ssangdung'i) — sibling
  • Malay: kembar seiras — sibling
  • Polish: bliźnię jednojajowe — sibling
  • Swedish: enäggstvilling — sibling
  • Ukrainian: однояйце́вий близню́к (odnojajcévyj blyznjúk) — sibling
  • Ukrainian: однояйце́ва близню́чка (odnojajcéva blyznjúčka) — sibling
  • Ukrainian: однояйце́ві близня́та (odnojajcévi blyznjáta) — sibling
  • Welsh: gefell unwy — sibling
  • Welsh: gefeilles unwy — sibling