omega

O1M3E1G2A1
UK/ˈəʊ.mɪ.ɡə/UK/əʊˈmiː.ɡə/US/oʊˈmeɪ.ɡə/US/oʊˈmɛɡ.ə/

noun

The twenty-fourth letter of the Classical and the Modern Greek alphabet, and the twenty-eighth letter of the Old and the Ancient Greek alphabet, i.e. the last letter of every Greek alphabet. Uppercase version: Ω; lowercase: ω.

“alpha and omega”

CommonScrabble 8

Meanings

omega1

nounomega (plural omegas or omegala)

plural omegas · plural omegala

  1. The twenty-fourth letter of the Classical and the Modern Greek alphabet, and the twenty-eighth letter of the Old and the Ancient Greek alphabet, i.e. the last letter of every Greek alphabet. Uppercase version: Ω; lowercase: ω.

    The fact that the letter was incised above the line indicates that it is probably an omega.

    2013, Albert Schachter, Fabienne Marchand, “Fresh Light on the Institutions and Religious Life of Thespiai: Sixe New Inscriptions from the Thespiai Survey”, in Paraskevi Martzavou, Nikolaos Papazarkadas, editors, Epigraphical Approaches to the Post-Classical, Polis, page 284
  2. capitalizedoftenThe end; the final, last or ultimate in a sequence.

    alpha and omega

    2 more examples

    I am the Alpha and the Omega, the First and the Last, the Beginning and the End.

    1978, New International Version, Revelation 22:13

    And there is always the Omega Option. At any time you can go to Manhome, go down to the vaults, lift the black cover on your clone's stasis chamber, and push the black button.

    2012, FX Moore, Confed: 2721: Xenocide War, page 383
  3. natural sciencesAngular velocity; symbol: ω.

    The ratio between the rho and omega cross section is obtained.

    2013, Issues in General Physics Research, page 1084

    Synonyms: elasticity, lambda

  4. mathematicsA transfinite ordinal number referring to the next position after ordering a countably infinite set.
  5. slangAn omega male.
  6. businessThe percentage change in an option value divided by the percentage change in the underlying asset's price.
  7. slanglifestyleIn omegaverse fiction, a person of a submissive secondary sex driven by biology, magic, or other means to bond with an alpha, with males of this type often being able to get pregnant.

    Often omegas go into heat and release pheromones that drive alphas wild.

    2013, Kristina Busse, “Pon Farr, Mpreg, Bonds, and the Rise of the Omegaverse”, in Anne Jamison, editor, Fic: Why Fanfiction Is Taking Over the World, page 317
    2 more examples

    By writing a male character as an omega, experiences of being treated as other in female-coded ways are imagined to be experienced by a character who represents the male norm.

    2017, Marianne Gunderson, "What is an omega? Rewriting sex and gender in omegaverse fanfiction", thesis submitted to the University of Oslo, page 5

    Sweet as Peaches on the Tongue can be defined as the typical dark A/B/O story, wherein a rich alpha gentleman (Dr. Hannibal Lecter) comes across a very young, virginal omega (Will Graham) by accident.

    2018, Laura Campillo Arnaiz, “When the Omega Empath Met the Alpha Doctor: An Analysis of Alpha/Beta/Omega Dynamics in the Hannibal Fandom”, in Ashton Spacey, editor, The Darker Side of Slash Fan Fiction, page 126
adjectiveomega (not comparable)
  1. not comparableslanglargely prepositiveUltimate; of the highest degree. Massive, ineffable.

    Omega props, dude.

adverbomega (not comparable)
  1. not comparableslanglargely prepositiveUltimately, most, supremely.

    Whatever your plan is, I just think this idea's omega stupid. Ain't you got something better?

Omega2

nounOmega (plural Omegas)

plural Omegas

  1. Alternative letter-case form of omega.

Synonyms & antonyms

nounAngular velocity; symbol: ω.

More synonyms by meaning

nounthe ending of a series or sequence

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Ancient Greekὦ μέγα
  2. Englishomega

From Middle English, from Ancient Greek ὦ μέγα (ô méga), meaning “great ω” (omega is a long vowel in Ancient Greek).

Full word history & related roots →

Translations

Ancient Greek ὦ, ὦ μέγα
  • ὦ (ô)letter of the Greek alphabet
  • ὦ μέγα (ô méga)letter of the Greek alphabet
Arabic أُومِيغَا, أُومِيغَا
  • أُومِيغَا (ʔumīḡā)letter of the Greek alphabet
  • أُومِيغَا (ʔomegā)letter of the Greek alphabet
  • أُومِيجَا (ʔumīgā)letter of the Greek alphabet
  • أُومِيجَا (ʔomegā)letter of the Greek alphabet
Bulgarian оме́га
  • оме́га (oméga)letter of the Greek alphabet
Catalan omega
  • omegaletter of the Greek alphabet
Chinese Cantonese 歐米伽 /欧米伽, 奧米伽 /奥米伽
  • 歐米伽 /欧米伽 (au¹ mai⁵ gaa¹)letter of the Greek alphabet
  • 奧米伽 /奥米伽 (ou³ mai⁵ gaa¹)letter of the Greek alphabet
  • 歐米茄 /欧米茄 (au¹ mai⁵ gaa¹)letter of the Greek alphabet
  • 俄梅戛 (ngo⁴ mui⁴ gaat³)letter of the Greek alphabet
  • 俄梅格 (ngo⁴ mui⁴ gaak³)letter of the Greek alphabet
  • 亞米茄 /亚米茄 (aa³ mai⁵ gaa¹)letter of the Greek alphabet
  • 敖默加 (ngou⁶ mak⁶ gaa¹)letter of the Greek alphabet
Chinese Mandarin 歐米伽 /欧米伽, 奧米伽 /奥米伽
  • 歐米伽 /欧米伽 (ōumǐgā)letter of the Greek alphabet
  • 奧米伽 /奥米伽 (àomǐgā)letter of the Greek alphabet
  • 歐米茄 /欧米茄 (ōumǐjiā)letter of the Greek alphabet
  • 俄梅戛 (éméijiá)letter of the Greek alphabet
  • 俄梅格 (éméigé)letter of the Greek alphabet
  • 亞米茄 /亚米茄 (yàmǐjiā)letter of the Greek alphabet
  • 敖默加 (àomòjiā)letter of the Greek alphabet
Czech omega
  • omegaletter of the Greek alphabet
Dutch omega
  • omegaletter of the Greek alphabet
Esperanto omego
  • omegoletter of the Greek alphabet
Finnish oomega, loppu
  • oomegaletter of the Greek alphabet
  • lopputhe end; final or last in a sequence
  • Othe end; final or last in a sequence
French oméga
  • omégaletter of the Greek alphabet
German Omega, O
  • Omegaletter of the Greek alphabet
  • Othe end; final or last in a sequence
Greek ωμέγα
  • ωμέγα (oméga)letter of the Greek alphabet
Hebrew אוֹמֶגָה
  • אוֹמֶגָה (oméga)letter of the Greek alphabet
Hungarian ómega
  • ómegaletter of the Greek alphabet
Italian omega
  • omegaletter of the Greek alphabet
Japanese オメガ
  • オメガ (omega)letter of the Greek alphabet
Korean 오메가
  • 오메가 (omega)letter of the Greek alphabet
Malay omega
  • omegaletter of the Greek alphabet
Māori omeka
  • omekaletter of the Greek alphabet
Persian امگا
  • امگا (omegâ)letter of the Greek alphabet
Polish omega
  • omegaletter of the Greek alphabet
Portuguese ómega
  • ómegaletter of the Greek alphabet
Romanian omega
  • omegaletter of the Greek alphabet
Russian оме́га
  • оме́га (oméga)letter of the Greek alphabet
Spanish omega
  • omegaletter of the Greek alphabet
Tagalog omega, wakas
  • omegaletter of the Greek alphabet
  • wakasthe end; final or last in a sequence
Thai โอเมกา
  • โอเมกา (oo-mee-gâa)letter of the Greek alphabet
Turkish omega
  • omegaletter of the Greek alphabet
Ukrainian оме́га
  • оме́га (oméha)letter of the Greek alphabet

Rhymes & wordplay

Rhymes with omega

All rhymes →

Anagrams

Cite this entry
APA

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

MLA

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

Chicago

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

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