Skip to main content
PlainSpell

omega

/oʊˈmeɪ.ɡə/noun, adjective, adverb

omega is spelled O-M-E-G-A: 5 letters and 3 syllables. It appears 6.0 times per million words in written English, the 9,878th most frequent word form (wordfreq, 2021 data). As a noun, omega means “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.…” (English Wiktionary, September 2026). The plural of omega is omegas or omegala.

How many letters and syllables are in omega?

Letters5: O-M-E-G-A
Syllables3 (from its American pronunciation)
In writing6.0 times per million words; the 9,878th most frequent word form
Wrong spellings searchednone measured in search
Rhymes with

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.

How common is omega?

Omega appears 6.0 times per million words in written English, the 9,878th most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce omega?

  • UK /ˈəʊ.mɪ.ɡə/
  • UK /əʊˈmiː.ɡə/
  • US /oʊˈmeɪ.ɡə/

Omega has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-omega.ogg, En-au-omega.ogg, LL-Q1860_(eng)-Flame,_not_lame-Omega.wav, Wikimedia Commons (author and licence on each file's page).

What rhymes with omega?

2 words on PlainSpell end in the same sounds as omega from its last stressed vowel (/eɪɡə/):

Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).

Forms of omega

  • omegas plural
  • omegala plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does omega mean?

The meanings the English Wiktionary records, quoted as written there (source below).

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.

  2. 2

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

    alpha and omega

  3. 3

    Angular velocity; symbol: ω.

  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.

    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.

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?

noun

as Omega
  1. 1

    Alternative letter-case form of omega.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Omega in Spanish, French, German and Portuguese

LanguageWords
Frenchoméga (letter of the Greek alphabet)
GermanOmega (letter of the Greek alphabet), O (the end; final or last in a sequence)
Portugueseómega (letter of the Greek alphabet)
Spanishomega (letter of the Greek alphabet)

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.

Where does omega come from?

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

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after omega