twin

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twin¹

  • /twɪn/
  • [tʰw̥ɪn]

Rhymes with -ɪn

Where it comes from

PIE word

*dwóh₁

From Middle English twinne, twynne, from Old English ġetwin, ġetwinn (“twin, multiple”, noun) and twinn (“twin, two-fold, double, two by two”, adjective), from Proto-Germanic *twinaz (“double/two each, twin”), Proto-Germanic *twinjaz, *twīhnaz (“two each”), from Proto-Indo-European *dwino- (“twin”), from *dwóh₁ (“two”). Cognate with Scots twyn (“twin”), Dutch tweeling (“twin”), German Zwilling (“twin”), Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish tvilling (“twin”), Faroese tvinnur (“a double set”), Icelandic tvenna (“duo, pair”), Lithuanian dvynys (“twin”), Russian двойня (dvojnja, “twin”).

noun twins · twynne

  1. Either of two people (or, less commonly, animals) who shared the same uterus at the same time; one who was born at the same birth as a sibling. twin girls, twin daughters, twin sisters, twin boys, twin sons, twin brothers, twin babies, twin children

    Similar: twindle, twinling, doublet

  2. broadly Either of two similar or closely related objects, plans, institutions, people, etc. Your idea is the twin of mine.
  3. broadly, figuratively Either of two or more things, people, etc. that share a single feature. He is my twin (wearing the same shirt, driving the same car, etc.).
  4. broadly, slang A friendly term of address, typically for men. Yo, twin, lemme rap at ya.
  5. A room in a hotel, guesthouse, etc. with two beds; a twin room.
  6. A twin crystal.
  7. A two-engine aircraft.
  8. US A twin-size mattress.
  9. US A bed, set of sheets, etc., designed for a twin-size mattress.

verb twins · twinning · twinned · twynne

  1. transitive To separate, divide.
  2. intransitive To split, part; to go away, depart.
  3. passive, usually To join, unite; to form links between (now especially of two places in different countries); to pair with. Reading, the English town, is twinned with Clonmel in Ireland.
  4. intransitive To give birth to twins. “I’ve run to tell ye,” said the junior shepherd, supporting his exhausted youthful frame against the doorpost, “that you must come directly. Two more ewes have twinned — that’s what’s the matter, Shepherd Oak.”
  5. transitive To be, or be like, a twin to (someone else); to match in some way. The invert child and her innocent child are together lost children, twinning each other despite their distinctions.
  6. intransitive To be, or be like, a pair of twins (for example, to dress identically); to be paired or suited. “I see you got us twinning today.” Byrd kissed Lay quickly. “I wanted you to dress like me today,” he admitted.

twin²

  • /twɪn/
  • [tʰw̥ɪn]

Rhymes with -ɪn

Where it comes from

From Middle English *twin, *twyn, from Old English twin, twinn (“twin; double”, adjective), from Proto-Germanic *twīhnaz (“occurring in a pair; twofold; double”), from Proto-Indo-European *dwóh₁ (“two”). Cognate with Icelandic tvennur (“double”), Gothic 𐍄𐍅𐌴𐌹𐌷𐌽𐌰𐌹 (tweihnai, “two each”).

adjective twynne

  1. not comparable Double; dual; occurring as a matching pair. twin beds, twin socks
  2. not comparable Forming a pair of twins. the twin boys

    Similar: twofold

Twin³

noun Twins

  1. A player who plays for the Minnesota Twins.

proper noun

  1. A town in Marion County, Alabama.

Thesaurus

Closest in meaning: pair, parallel, counterpart, duplicate, couple, matching, similar, similitude, mate, matched, siamese, match, twin falls, clone, acquired, acardiac

Translations

Every language

noun either of two people who shared the same uterus, or of two similar or closely related objects

Españolgemelo, gemela, mellizo (dizygotic), melliza (dizygotic), chachagua, chacho
한국어쌍둥이 ssangdung'i, 갈오기 garogi
日本語双子 futago
中文雙胞胎 /双胞胎 shuāngbāotāi, 雙生子 /双生子 shuāngshēngzǐ
हिन्दीजुड़वाँ juṛvā̃, यमज yamaj
Kiswahilipacha
Portuguêsgémeo, gémea, gêmeo, gêmea
Françaisjumeau, jumelle
DeutschZwilling, Zwillingin
Italianogemello, gemella
Ελληνικάδίδυμος dídymos
Românăgeamăn, geamănă
Русскийблизне́ц bliznéc, близня́шка bliznjáška, дво́йня dvójnja, близня́та bliznjáta
Tiếng Việttrẻ sinh đôi
العربيةتَوْأَم tawʔam
עבריתתאום, תְּאוֹם teóm, תאומה, תְּאוֹמָה teomá

noun hotel room with two beds

한국어트윈 teuwin
日本語ツイン
Kiswahilipacha
Françaistwin
DeutschDoppelzimmer

adj forming a pair of twins

Kiswahilipacha
Portuguêsgêmeo
DeutschZwillings-
Ελληνικάδίδυμος dídymos

adj forming a matched pair

Kiswahilipacha
Portuguêsgêmeo

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MLA

"twin." Wiktionary, via Micwyn, micwyn.com/word/twin. Accessed 6 Nov. 2026.

APA

twin. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/twin

Chicago

"twin." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/twin.

BibTeX
@misc{twin_2026,
  title = {twin},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/twin},
  urldate = {2026-11-06}
}