eighteen

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eighteen¹

  • /ˈeɪ(t).tin/ US
  • /ˈeɪ.tiːn/ UK
  • /ˌeɪ(t)ˈtin/ US
  • /ˌeɪˈtiːn/ UK

Rhymes with -iːn

Where it comes from

From Middle English eightetene, eiȝtene, ehtetene, from Old English eahtatīene, eahtatēne, from Proto-Germanic *ahtōutehun. Cognate with West Frisian achttjin, Dutch achttien, German achtzehn, Danish atten.

Equivalent to eight + -teen.

number 18 · XVIII

  1. The cardinal number occurring after seventeen and before nineteen, represented in Roman numerals as XVIII and in Arabic numerals as 18. The right of citizens of the United States, who are eighteen years of age or older, to vote shall not be denied or abridged by the United States or by any State on account of age.

Eighteen²

Where it comes from

Derived from place names such as Ayton, Eaton, and Eton.

proper noun

  1. A surname.

Thesaurus

Closest in meaning: cardinal, xviii, half, eight, shap, octodecimo, octodecimal, one-eight, nineteen, sixteen, fourteen, thirteen, seventeen, fifteen, twelve, twenty

Translations

Every language

num cardinal number

Españoldieciocho
한국어열여덟 yeoryeodeol, 십팔 sip'pal
日本語十八 jūhachi
中文十八 shíbā
हिन्दीअठारह aṭhārah
Kiswahilikumi na nane
Portuguêsdezoito
Françaisdix-huit
Deutschachtzehn
Italianodiciotto
Ελληνικάδεκαοκτώ dekaoktó
Românăoptsprezece
Русскийвосемна́дцать vosemnádcatʹ
Tiếng Việtmười tám
العربيةثَمَانِيَةَ عَشَرَ ṯamāniyata ʕašara
עבריתשְׁמוֹנֶה־עֶשְׂרֵה shmone-esre, שְׁמוֹנָה־עָשָׂר shmona-asar

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MLA

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

APA

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

Chicago

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

BibTeX
@misc{eighteen_2026,
  title = {eighteen},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/eighteen},
  urldate = {2026-11-06}
}