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omega

nounadjectiveadverbattested in dialogue

  • United Kingdom//ˈəʊ.mɪ.ɡə//
  • United Kingdom//əʊˈmiː.ɡə//
  • United States//oʊˈmeɪ.ɡə//
  • United States//oʊˈmɛɡ.ə//

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.

noun

  1. 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.

  2. 2

    The end; the final, last or ultimate in a sequence.

    alpha and omega

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

    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.

  3. 3

    Angular velocity; symbol: ω.

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

  4. 4

    A transfinite ordinal number referring to the next position after ordering a countably infinite set.

  5. 5

    slangAn omega male.

  6. 6

    The percentage change in an option value divided by the percentage change in the underlying asset's price.

  7. 7

    slangIn 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.

    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.

    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.

Etymology

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

adjective

  1. 1

    slangUltimate; of the highest degree. Massive, ineffable.

    Omega props, dude.

adverb

  1. 1

    slangUltimately, most, supremely.

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

Forms

plural
omegas, omegala
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).