eighth

E1I1G2H4T1H4
UK/eɪtθ/US/eɪθ/

adjective

The ordinal form of the number eight.

“Two bits equals two eighths of a dollar.”

Similar
8thVIIIthVIIIeighth one⅛half-quarterhenry⅛ oz
CommonScrabble 13

Meanings

adjectiveeighth (not comparable)

alternative obsolete eight · alternative nonstandard eightth

  1. not comparableThe ordinal form of the number eight.

    Consequently, in the initial position the white pieces and pawns are placed on the first and second ranks; the black pieces and pawns on the eighth and seventh ranks.

    2022, “2023 Laws of Chess”, in FIDE, archived from the original on 16 Mar 2025, page 21
    1 more example

    In 2023, the birthrate fell for the eighth consecutive year to 0.72, the lowest in the world, from 1.24 in 2015, raising concerns over the economic shock to society from such a rapid pace.

    2025 February 25, “South Korea’s birth rate rose for the first time in 9 years. Is the world’s lowest fertility rate on the rebound?”, in CNN, sourced from Reuters, archived from the original on 06 Jul 2025

    Synonyms: 8th, VIIIth, VIII

nouneighth (plural eighths)

plural eighths · alternative obsolete eight · alternative nonstandard eightth

  1. The person or thing in the eighth position.

    Synonyms: eighth one

  2. One of eight equal parts of a whole.

    Two bits equals two eighths of a dollar.

    2 more examples

    In their original article, Messrs Christie and Schultz found that in 70 of the 100 most heavily traded stocks, Nasdaq dealers avoided quoting prices in odd eighths of a dollar. Buyers were far more likely to quote shares at 28 1/2 or 28 3/4 than at 28 5/8.

    1998 January 15, “Collusion in the Stockmarket”, in The Economist, archived from the original on 11 Aug 2019

    Scientists from the University of Pennsylvania have determined that the young skull is only an eighth as strong as an adult one.

    2000 October 3, Eric Nagourney, “VITAL SIGNS: PROTECTION; A Measure of an Infant Skull's Strength”, in The New York Times, archived from the original on 19 Apr 2022

    Synonyms: ⅛, half-quarter, henry, ⅛ oz

  3. slangAn eighth of an ounce, or approximately 3.5 grams, of marijuana or other drugs.

    At midday he’d found an ageing eighth of hash in a drawer, a little bundle of cellophane.

    2000, Zadie Smith, White Teeth, London: Penguin Books, published 2001, →ISBN, page 499
  4. An interval by doubling in pitch frequency.

    Synonyms: octave

verbeighth (third-person singular simple present eighths, present participle eighthing, simple past and past participle eighthed)

present singular third person eighths · participle present eighthing · participle past eighthed · past eighthed · alternative obsolete eight · alternative nonstandard eightth

  1. transitiveTo divide by eight.

    The first step is to eighth the script out. See figure 3.6 overleaf. Eighthing a script is subjective.

    2013, Raindance Producers' Lab Lo-To-No Budget Filmmaking, page 31

Synonyms & antonyms

adjectiveThe ordinal form of the number eight.

Similar

nounThe person or thing in the eighth position.

Similar
eighth one

nounOne of eight equal parts of a whole.

Similar
⅛half-quarterhenry⅛ oz

nounAn interval by doubling in pitch frequency.

Similar

More synonyms by meaning

adjectivecoming next after the seventh and just before the ninth in position

Similar

nounone part in eight equal parts

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*oḱtṓw
  2. Proto-Indo-European*oḱtowós
  3. Proto-Germanic*ahtudô
  4. Proto-West Germanic*ahtudō
  5. Old Englisheahtoþa
  6. Middle Englisheightethe
  7. Englisheighth

Inherited from Middle English eightethe, from Old English eahtoþa, from Proto-Germanic *ahtudô; equivalent to eight + -th (ordinal suffix).

Full word history & related roots →

Translations

Afrikaans agste, agtste
  • agsteordinal form of the number eight — see also 8th
  • agtsteordinal form of the number eight — see also 8th
  • agtsteperson or thing in the eighth position
Ancient Greek ὄγδοος
  • ὄγδοος (ógdoos)ordinal form of the number eight — see also 8th
Arabic ثَامِن, ثَامِنَة
  • ثَامِن (ṯāmin)ordinal form of the number eight — see also 8th
  • ثَامِنَة (ṯāmina)ordinal form of the number eight — see also 8th
  • ثُمْن (ṯumn)one of eight equal parts of a whole
Basque zortzigarren, zortzigarren
  • zortzigarrenordinal form of the number eight — see also 8th
  • zortzigarrenperson or thing in the eighth position
Bengali অষ্টম
  • অষ্টম (ośṭom)ordinal form of the number eight — see also 8th
Bulgarian о́сми, осма
  • о́сми (ósmi)ordinal form of the number eight — see also 8th
  • осма (osma)one of eight equal parts of a whole
Catalan vuitè
  • vuitèordinal form of the number eight — see also 8th
Chinese Mandarin 第八
  • 第八 (dìbā)ordinal form of the number eight — see also 8th
Czech osmý
  • osmýordinal form of the number eight — see also 8th
Danish ottende
  • ottendeordinal form of the number eight — see also 8th
Dutch achtste, achtste
  • achtsteordinal form of the number eight — see also 8th
  • achtsteperson or thing in the eighth position
  • achtsteone of eight equal parts of a whole
Esperanto oka, okono
  • okaordinal form of the number eight — see also 8th
  • okonoone of eight equal parts of a whole
Estonian kaheksas, kaheksas
  • kaheksasordinal form of the number eight — see also 8th
  • kaheksasperson or thing in the eighth position
  • kaheksandikone of eight equal parts of a whole
Finnish kahdeksas, kahdeksas
  • kahdeksasordinal form of the number eight — see also 8th
  • kahdeksasperson or thing in the eighth position
  • kahdeksasosaone of eight equal parts of a whole
  • kahdeksannesone of eight equal parts of a whole
French huitième, huit
  • huitièmeordinal form of the number eight — see also 8th
  • huitordinal form of the number eight — see also 8th
  • huitièmeperson or thing in the eighth position
  • huitièmeone of eight equal parts of a whole
German achte, Achte
  • achteordinal form of the number eight — see also 8th
  • Achteperson or thing in the eighth position
  • Achtelone of eight equal parts of a whole
  • achtelndivide by eight
Greek όγδοος, όγδοος
  • όγδοος (ógdoos)ordinal form of the number eight — see also 8th
  • όγδοος (ógdoos)person or thing in the eighth position
  • όγδοος (ógdoos)one of eight equal parts of a whole
Hawaiian walu, hapawalu
  • waluordinal form of the number eight — see also 8th
  • hapawaluone of eight equal parts of a whole
Hebrew שמיני, שמינית
  • שמיני (shmini)ordinal form of the number eight — see also 8th
  • שמינית (shminít)one of eight equal parts of a whole
Hindi आठवाँ
  • आठवाँ (āṭhvā̃)ordinal form of the number eight — see also 8th
Hungarian nyolcadik, nyolcadik
  • nyolcadikordinal form of the number eight — see also 8th
  • nyolcadikperson or thing in the eighth position
  • nyolcadone of eight equal parts of a whole
Icelandic áttundi
  • áttundiordinal form of the number eight — see also 8th
Indonesian kedelapan
  • kedelapanordinal form of the number eight — see also 8th
Irish ochtú
  • ochtúordinal form of the number eight — see also 8th
Italian ottavo, ottavo
  • ottavoordinal form of the number eight — see also 8th
  • ottavoordinal form of the number eight — see also 8th
  • ottavaordinal form of the number eight — see also 8th
  • ottavoperson or thing in the eighth position
  • ottavaperson or thing in the eighth position
  • ottavoone of eight equal parts of a whole
Japanese 八番目
  • 八番目 (hachiban-me)ordinal form of the number eight — see also 8th
Korean 여덟째
  • 여덟째 (yeodeoljjae)ordinal form of the number eight — see also 8th
Latin octavus, octavus
  • octavusordinal form of the number eight — see also 8th
  • octavusperson or thing in the eighth position
  • octansone of eight equal parts of a whole
  • octavumone of eight equal parts of a whole
Latvian astotais, astotais
  • astotaisordinal form of the number eight — see also 8th
  • astotaisperson or thing in the eighth position
  • astotāperson or thing in the eighth position
Lithuanian aštuntas, aštuntas
  • aštuntasordinal form of the number eight — see also 8th
  • aštuntasperson or thing in the eighth position
  • aštuntaperson or thing in the eighth position
  • aštuntadalisone of eight equal parts of a whole
Malay kelapan
  • kelapanordinal form of the number eight — see also 8th
Māori tuawaru, te waru
  • tuawaruordinal form of the number eight — see also 8th
  • te waruordinal form of the number eight — see also 8th
  • tuawaruperson or thing in the eighth position
  • hauwaruone of eight equal parts of a whole
Norwegian Bokmål åttende
  • åttendeordinal form of the number eight — see also 8th
Persian هشتم
  • هشتم (haštom)ordinal form of the number eight — see also 8th
Polish ósmy
  • ósmyordinal form of the number eight — see also 8th
Portuguese oitavo, oitavo
  • oitavoordinal form of the number eight — see also 8th
  • oitavoperson or thing in the eighth position
  • oitavaperson or thing in the eighth position
  • oitavoone of eight equal parts of a whole
Romanian optulea, al optulea
  • optuleaordinal form of the number eight — see also 8th
  • al optuleaperson or thing in the eighth position
  • a optaperson or thing in the eighth position
  • optimeone of eight equal parts of a whole
Russian восьмо́й, восьмой
  • восьмо́й (vosʹmój)ordinal form of the number eight — see also 8th
  • восьмой (vosʹmoj)person or thing in the eighth position
  • восьмая (vosʹmaja)person or thing in the eighth position
  • восьмое (vosʹmoje)person or thing in the eighth position
  • восьмаяone of eight equal parts of a whole
Scottish Gaelic ochdamh
  • ochdamhordinal form of the number eight — see also 8th
Slovak ôsmy
  • ôsmyordinal form of the number eight — see also 8th
Spanish octavo, octavo
  • octavoordinal form of the number eight — see also 8th
  • octavoone of eight equal parts of a whole
Swahili thumuni
  • thumunione of eight equal parts of a whole
Swedish åttonde, åttonde
  • åttondeordinal form of the number eight — see also 8th
  • åttondeperson or thing in the eighth position
  • åttaperson or thing in the eighth position
  • åttondelone of eight equal parts of a whole
  • åttondedelone of eight equal parts of a whole
Tagalog ikawalo
  • ikawaloordinal form of the number eight — see also 8th
Tamil எட்டாம், எட்டாவது
  • எட்டாம் (eṭṭām)ordinal form of the number eight — see also 8th
  • எட்டாவது (eṭṭāvatu)ordinal form of the number eight — see also 8th
Thai ที่แปด
  • ที่แปด (tîi-bpɛ̀ɛt)ordinal form of the number eight — see also 8th
Turkish sekizinci, sekizinci
  • sekizinciordinal form of the number eight — see also 8th
  • sekizinciperson or thing in the eighth position
  • sekizde birone of eight equal parts of a whole
Ukrainian во́сьмий, одна восьма
  • во́сьмий (vósʹmyj)ordinal form of the number eight — see also 8th
  • одна восьма (odna vosʹma)one of eight equal parts of a whole
Urdu آٹھواں
  • آٹھواں (āṭhvā̃)ordinal form of the number eight — see also 8th
Vietnamese thứ tám
  • thứ támordinal form of the number eight — see also 8th
Welsh wythfed
  • wythfedordinal form of the number eight — see also 8th
Yiddish אַכט, אַכטל
  • אַכט (akht)ordinal form of the number eight — see also 8th
  • אַכטל (akhtl)one of eight equal parts of a whole

Rhymes & wordplay

Rhymes with eighth

All rhymes →

Anagrams

Cite this entry
APA

eighth. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/eighth

MLA

“eighth.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/eighth. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “eighth,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/eighth.

Source: eighth on Wiktionary, CC BY-SA 4.0.