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English Wikipedia has an article on:
English numbers (edit)
100,000[a], [b]
 ←  9,000 [a], [b], [c] ←  9,999 10,000 11,000  →  100,000  → [a], [b]
    Cardinal: ten thousand, myriad
    Ordinal: ten-thousandth, myriadth
    Multiplier: tenthousandfold, myriadfold
    Collective: myriad
    Metric collective prefix: myria-
    Metric fractional prefix: dimi-
    Number of years: decamillennium


From French myriade, from Late Latin mȳriadem (accusative of mȳrias), from Ancient Greek μυριάς (muriás, number of 10,000), from μυρίος (muríos, numberless, countless, infinite).


  • (UK, US) IPA(key): /ˈmɪɹi.æd/, /ˈmɪɹi.əd/
  • (file)


myriad (plural myriads)

  1. (historical) Ten thousand; 10,000 [from 16th c.]
  2. A countless number or multitude (of specified things) [from 16th c.]
    Earth hosts a myriad of animals.
    • 1834, L[etitia] E[lizabeth] L[andon], chapter XXIX, in Francesca Carrara. [], volume III, London: Richard Bentley, [], (successor to Henry Colburn), →OCLC, page 239:
      A myriad of beginnings to her intended discourse darted into her mind; but, as is usual in such cases, she chose the one the very worst suited to her purpose. "I never intend to marry," said she, in a faltering voice.
    • 1914, Henry Graham Dakyns, Xenophon, Cyropaedia, Book I:
      How far he surpassed them all may be felt if we remember that no Scythian, although the Scythians are reckoned by their myriads, has ever succeeded in dominating a foreign nation ...

Usage notes[edit]

Used as an adjective (see below), 'myriad' requires neither an article before it nor a preposition after. Because of this, some consider the usage described in sense 2 above, where 'myriad' acts as part of a nominal (or noun) group (that is, "a myriad of animals"), to be tautological.

Derived terms[edit]

Related terms[edit]



myriad (not comparable)

  1. (modifying a singular noun) Multifaceted, having innumerable elements [from 18th c.]
    • 1931, William Faulkner, Sanctuary, Vintage, published 1993, page 131:
      one night he would be singing at the barred window and yelling down out of the soft myriad darkness of a May night; the next night he would be gone [...].
    • 2011 April 6–19, Kara Krekeler, "Researchers at Washington U. have 'itch' to cure problem", West End Word, 40 (7), p. 8:
      "As a clinician, it's a difficult symptom to treat," Cornelius said. "The end symptom may be the same, but what's causing it may be myriad."
  2. (modifying a plural noun) Great in number; innumerable, multitudinous [from 18th c.]
    Earth hosts myriad animals.
    • 2013 September 28, Kenan Malik, “London Is Special, but Not That Special”, in New York Times, retrieved 28 September 2013:
      Driven by a perceived political need to adopt a hard-line stance, Mr. Cameron’s coalition government has imposed myriad new restrictions, the aim of which is to reduce net migration to Britain to below 100,000.


See also[edit]



myriad c

  1. a myriad


Declension of myriad 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative myriad myriaden myriader myriaderna
Genitive myriads myriadens myriaders myriadernas