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Definition of twin

twin

/twɪn/
twin
Plural:twins
•
Past Simple:twinned
•
Past Participle:twinned
•
Present Participle:twinning
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twin Lexical Profile

twin Game Scores & Validity

• noun

1

One of two offspring produced in the same pregnancy.

Example

"She gave birth to a healthy twin just minutes after her sister."

2

A person or thing that is exactly like another.

Example

"I found the exact twin to my lost earring at the vintage market."

Synonyms
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Antonyms
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• verb

1

To pair, link, or combine two things closely together.

Example

"The university twinned its engineering program with a top business school."

2

To give birth to twins.

Example

"Certain breeds of sheep are known to twin more frequently than others."

Synonyms
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Antonyms
View all antonyms for twin

• Rhymes for twin

• Nearby Words

twilight
twilit
twill
twin
twin falls
twin-spotted rattlesnake
twinberry

Word Origin & Etymology

From Old English 'twinn' meaning 'twofold or double', derived from Proto-Germanic '*twinjaz', which traces back to the Proto-Indo-European root '*dwo-' meaning 'two'.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Twin. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/twin
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