omega

Etymology

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

noun

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. (often capitalized) 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. 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. (physics) Angular velocity; symbol: ω.
   The ratio between the rho and omega cross section is obtained. 2013, Issues in General Physics Research, page 1084
4. (set theory) A transfinite ordinal number referring to the next position after ordering a countably infinite set.
5. (slang) An omega male.
6. (finance) The percentage change in an option value divided by the percentage change in the underlying asset's price.
7. (fandom slang) In 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
   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

adj

1. (slang, largely prepositive) Ultimate; of the highest degree. Massive, ineffable.
   Omega props, dude.

adv

1. (slang, largely prepositive) Ultimately, most, supremely.
   Whatever your plan is, I just think this idea's omega stupid. Ain't you got something better?