eighteen

See also: Eighteen

English

**English numbers ^(edit)**
← 17	18	19 →
Cardinal: eighteen Ordinal: eighteenth Adverbial: eighteen times Multiplier: eighteenfold

Alternative forms

Arabic numerals: 18. Roman symbols: XVIII

Etymology

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

Pronunciation

(next word stressed near the first syllable)
(General American) IPA^(key): /ˈeɪ(t).tin/
(Received Pronunciation) IPA^(key): /ˈeɪ.tiːn/
Audio (US) (file)
(next word stressed after the first syllable)
(General American) IPA^(key): /ˌeɪ(t)ˈtin/
(Received Pronunciation) IPA^(key): /ˌeɪˈtiːn/
Rhymes: -iːn

Numeral

eighteen

The cardinal number occurring after seventeen and before nineteen, represented in Roman numerals as XVIII and in Arabic numerals as 18.
- 1971, Twenty-sixth Amendment to the United States Constitution:
  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.

Derived terms

eighteen-wheeler

Related terms

Ordinal: eighteenth

Translations

cardinal number

Afrikaans: agtien (af), agttien (af)
Albanian: tetëmbëdhjetë (sq)
American Sign Language:
Amharic: አስራ ስምንት (ʾäsra səmnət)
Arabic: ثَمَانِيَةَ عَشَرَ‎ (ṯamāniyata ʕašara)
Egyptian Arabic: تمنتاشر‎ (tamantāšar)
Aramaic:
Hebrew: תמנעסר‎ m (tmāna‘sar), תמנעסרא‎ f (tmāna‘esrē)
Syriac: ܬܡܢܥܣܪ‎ m (tmāna‘sar), ܬܡܢܥܣܪܐ‎ f (tmāna‘esrē)
Armenian: տասնութ (hy) (tasnutʿ)
Old Armenian: ութեւտասն (utʿewtasn)
Asturian: dieciocho (ast)
Aymara: tunka kimsaqallquni
Azerbaijani: on səkkiz (az)
Bashkir: ун һигеҙ (un higeð)
Basque: hemezortzi (eu), hamazortzi (eu)
Belarusian: васямна́ццаць (vasjamnáccacʹ), васемна́ццаць (vasjemnáccacʹ)
Bengali: আঠারো (bn) (aṭharo) (numeral: ১৮)
Bikol Central: kagwalo
Breton: triwec'h (br)
Brunei Malay: lapan balas
Bulgarian: осемна́десет (osemnádeset), осемна́йсет (osemnájset)
Burmese: ဆယ့်ရှစ် (hcai.hrac) (numeral: ၁၈)
Buryat: арбан найман (arban najman)
Catalan: divuit (ca)
Valencian: díhuit (ca)
Cebuano: napulog walo
Central Sierra Miwok: naˀá·ča- káw·inṭa-ˀ hej·i-ˀ
Chechen: берхӏитта (berhitta)
Cherokee: ᏁᎳᏚ (neladu)
Chichewa: khumi n'zisanu n'zitatu
Chinese:
Cantonese: 十八 (sap⁶ baat³)
Hakka: 十八 (sṳ̍p-pat)
Mandarin: 十八 (zh) (shíbā)
Chuvash: вунсаккӑр (vuns̬akkăr), вунсаккăр (vuns̬akkăr), вунсакăр (vuns̬akăr)
Classical Nahuatl: caxtōlli omēyi
Cree: ᐊᔨᓇᓀᐅᐧᓴᑊ (ayinaneoysap)
Czech: osmnáct (cs)
Danish: atten (da)
Dena'ina: łtaqul'i beq'di
Dhivehi: އަށާރަ‎ (aṣāra)
Dutch: achttien (nl) f
Dzongkha: བཅོ་བརྒྱད (bco brgyad)
Esperanto: dek ok
Estonian: kaheksateist (et)
Faroese: átjan
Fijian: tini ka walu
Finnish: kahdeksantoista (fi)
French: dix-huit (fr) m
Galician: dezaoito (gl)
Georgian: თვრამეტი (ka) (tvrameṭi)
German: achtzehn (de)
Greek: δεκαοκτώ (el) (dekaoktó)
Ancient: ὀκτωκαίδεκα (oktōkaídeka), ιη΄ (numeral)
Greenlandic: arfersaneq-pingasut (kl)
Gujarati: અઢાર (gu) (aḍhār)
Haitian Creole: dizuit
Hawaiian: ʻumikūmāwalu
Hebrew: שְׁמוֹנֶה־עֶשְׂרֵה‎ f (shmone-esre) (used in counting), שְׁמוֹנָה־עָשָׂר‎ m (shmona-asar)
Hindi: अठारह (hi) (aṭhārah)
Hopi: pakwt niikyang nanalt siikya’ta
Hungarian: tizennyolc (hu)
Hunsrik: achtzen
Icelandic: átján (is), áttján (archaic)
Ido: dek ed ok (io)
Inari Sami: käävcinubáloh
Indonesian: delapan belas (id)
Ingrian: kaheksantoist
Interlingua: dece-octo
Irish: ocht déag
Italian: diciotto (it)
Japanese: 十八 (ja) (jūhachi)
Kannada: ಹದಿನೆಂಟು (kn) (hadineṇṭu)
Kazakh: он сегіз (kk) (on segız)
Khmer: ដប់ប្រាំបី (dop pram bei) (numeral: ១៨)
Komi-Permyak: даскыкьямыс (daskykjamys)
Korean: 열여덟 (ko) (yeoryeodeol), 십팔(十八) (ko) (sip'pal)
Kurdish:
Central Kurdish: ھەژدە‎ (ku) (hejde)
Northern Kurdish: hejde (ku)
Kyrgyz: он сегиз (ky) (on segiz)
Ladin: please add this translation if you can
Lakota: akéšagloǧaŋ
Lao: ສິບແປດ (sip pǣt) (numeral: ໑໘)
Latin: octōdecim (la), duodēvīgintī (la)
Latvian: astoņpadsmit (lv)
Ligurian: dixéutto
Lithuanian: aštuoniolika (lt)
Livonian: kōdõkstuoistõn
Lombard: please add this translation if you can
Louisiana Creole French: diz-wit
Low German: achtteihn
German Low German: achtteihn
Luxembourgish: uechtzéng (lb)
Lü: ᦉᦲᧇᦶᦔᧆᧈ (ṡiibṗaed¹) (numeral: ᧑᧘)
Macedonian: осумна́есет (osumnáeset)
Malagasy: valo ambinifolo
Malay: lapan belas (ms), delapan belas (ms), sepuluh lapan, sepuluh delapan, satu puluh lapan, satu puluh delapan
Malayalam: പതിനെട്ട് (ml) (patineṭṭŭ)
Maltese: tmintax
Mansi: нёлловхуйплов (nëllovhujplov)
Maori: tekau mā waru (mi)
Mapudungun: maripura
Middle English: eiȝtetene
Mongolian: арван найм (mn) (arvan najm)
Navajo: tseebíítsʼáadah
Norman: dix-huit, dgiêx-huit
Northern Sami: gávccinuppelohkái
Norwegian: atten (no)
Occitan: dètz-e-uèch (oc)
Ojibwe: ashi-nishwaaswi
Old Church Slavonic: осмь на дєсѧтє (osmĭ na desęte) (numeral: и҃і)
Oriya: ଅଠର (ôṭhôrô) (numeral: ୧୮ (18))
Pennsylvania German: achzeh, achtzeh
Persian: هجده‎ (fa) (hejdah), هیجده‎ (fa) (hijdah)
Piedmontese: disdeut
Polish: osiemnaście (pl), (collective) osiemnaścioro (pl)
Portuguese: dezoito (pt)
Punjabi: ਅਠਾਰਾਂ (pa) (aṭhārā̃)
Quechua: chunka pusaqniyuq
Romagnol: please add this translation if you can
Romani:
Kalo Finnish Romani: deȟ-o-oȟta
Romanian: optsprezece (ro)
Romansch: (Grischun) deschdotg
Russian: восемна́дцать (ru) (vosemnádcatʹ)
Rusyn: вусямна́дцять (vusjamnádcjatʹ)
S'gaw Karen: တဆံဃိး (ta hsee xoḧ)
Samoan: sefulu valu
Sanskrit: अष्टादशन् (sa) (aṣṭādaśan)
Santali: ᱜᱮᱞ ᱤᱨᱟᱹᱞ (gel irăl)
Scottish Gaelic: ochd deug
Serbo-Croatian:
Cyrillic: осамнаест
Roman: osamnaest
Shan: သိပ်းပႅတ်ႇ (síp pèt)
Sinhalese: දහඅට (dahaaṭa)
Skolt Sami: käcmlo
Slovak: osemnásť (sk)
Slovene: osemnajst (sl)
Sorbian:
Lower Sorbian: wósymnasćo
Upper Sorbian: wósomnaće
Spanish: dieciocho (es)
Swedish: arton (sv), aderton (sv) (obsolete, Finnish Swedish)
Tagalog: labingwalo (tl)
Tahitian: hō'ē 'ahuru ma va'u
Tajik: ҳаждаҳ (tg) (haždah)
Tatar: унсигез (unsigez)
Telugu: పద్దెనిమిది (te) (paddenimidi)
Thai: สิบแปด (th) (sìp-bpɛ̀ɛt) (numeral: ๑๘)
Tibetan: བཅོ་བརྒྱད (bco brgyad)
Tigre: ዐስር ወሰማን (ʿäsr wäsäman)
Tigrinya: ዓሰርተ ሸሞንተ (ʿasärtä šämontä)
Tongan: hongofulu mā valu
Turkish: on sekiz (tr)
Turkmen: on sekiz (tk)
Ukrainian: вісімна́дцять (uk) (visimnádcjatʹ)
Urdu: اٹھارہ‎ (ur) (aṭhārah)
Uyghur: ئون سەككىز‎ (ug) (on sekkiz)
Uzbek: oʻn sakkiz (uz)
Vietnamese: mười tám
Vilamovian: aochcao
Volapük: degjöl, balsejöl (older term, obsolete)
Welsh: deunaw (cy) (traditional), un deg wyth (cy) (decimal)
West Frisian: achttjin (fy)
Wolof: fukk ak juróom ñett
Yakut: уон аҕыс (uon ağıs)
Yiddish: אַכצן‎ (akhtsn)
Yup'ik: akimiaq pingayun
Zazaki: hestês, desuhest
Zhuang: cib bet