Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Constituting a very large, indefinite number; innumerable: the myriad fish in the ocean.
- adj. Composed of numerous diverse elements or facets: the myriad life of the metropolis.
- n. A vast number: the myriads of bees in the hive.
- n. Archaic Ten thousand.
Century Dictionary and Cyclopedia
- n. The number of ten thousand.
- n. An indefinitely great number.
- Numberless; innumerable; multitudinous; manifold.
Wiktionary
- n. Ten thousand; 10,000. [from mid-16th c.]
- n. A countless number or multitude (of specified things).
- adj. Multifaceted, having innumerable elements.
- adj. Great in number; innumerable, multitudinous.
GNU Webster's 1913
- n. The number of ten thousand; ten thousand persons or things.
- n. An immense number; a very great many; an indefinitely large number.
- adj. Consisting of a very great, but indefinite, number.
WordNet 3.0
- n. a large indefinite number
- n. the cardinal number that is the product of ten and one thousand
- adj. too numerous to be counted
Etymologies
- Greek mūrias, mūriad-, ten thousand, from mūrios, countless.
Examples
“The machine, code-named Blue Waters and set for delivery to the University of Illinois later this year, is the product of work completed in myriad IBM offices around the world.”
“They are demanding unbundled media, sold everywhere and in myriad assortments.”
Viacom vs. Google/YouTube, Arnold Kling | EconLog | Library of Economics and Liberty
“Donnellan has worked as director of management and finance, acting director for libraries, and in myriad other positions in the county, and she had been deputy county manager since October 2005.”
The Washington Post: Arlington's new county manager no stranger to community - or job
“A row of semis in myriad colors stretches to infinity.”
“The lack of strategic bombers manifested itself in myriad problems.”
“Are we to perpetually rely on the Courts to twist constitutional doctrines, in myriad ways, with all their resulting sorts of side effects (and benefits, too, no doubt) and absurdities in order to obviate antideluvian laws, particularly those regulating social norms?”
The Volokh Conspiracy » Recent Michigan Prosecutions for “Seducing an Unmarried Woman”
“Entrepreneurial classes are taking off nationwide in myriad versions, said Heather Van Sickle, the executive director of the National Association for Community College Entrepreneurship.”
“To always say more than it intends, to conjure up possibilities that set us off on internal flights of fancy, to gesture beyond itself in myriad ways and to tantalize with the shadows of other stories, hiding in the corners of the most realistic of narratives.”
“Akron played 10 players regularly, and in myriad combinations, but kept the chemistry working.”
“Patching security holes is not easy, since the fix must work on multiple versions of Windows and IE in myriad languages and not crash tens of thousands of different consumer and business programs.”
Lists
These user-created lists contain the word ‘myriad’.
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@vcb.etym.prjct - SAT Catchall
brainfood for my hungry, eager pupils
iconoclast, glacial, agnostic, histrionic, treacly, contemptuous, captious, bombastic, bombast, perfidy, quiescence, sordid and 148 more...
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GRE Barrons Wordlist
A complete Barron's Wordlist for GRE preparation. Your online flashcard replacement.
abase, abash, abate, abbreviate, abdicate, aberrant, aberration, abet, abeyance, abhor, abject, abjure and 4084 more...
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G[r]eek
A collection of words found in English that are either purely Greek or have Greek etymology.
Please add with caution and certainty. Will be regularly updated by me.etymology, philosophy, laconic, disharmony, patriarchic, archaic, phlogiston, aether, aeon, angel, arachnid, rhythm and 322 more...
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Imprecise Units of Measurement
A list of terms for units of measurement that are less than exact, such as dessert-spoonful.
two shakes, dessert-spoonful, a pinch, a bit, some, smidge, smidgin, dollop, drop, fleck, smack, sprinkling and 168 more...
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SAT Words
But only the ones that I don't already know.
abase, abash, abominate, abstruse, acclivity, accolade, accost, adroit, adulate, adulterate, adumbrate, affray and 241 more...
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PART 2: 100 Word You Should Know To Be Able To ...
Here are 40 advanced English words which should you be able to use them in a sentence will impress even educated native speakers! Perfect if you want to impress the examiner in examinations like: I...
jubilant, knell, lithe, lurid, maverick, maxim, meticulous, modicum, morose, myriad, nadir, nominal and 28 more...
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select words
luminous, radiant, malicious, zeal, ojalá, voluptuary, rubbish, purlicue, consarnit, upstart, precis, robinsonade and 66 more...
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September Words-10033
During the month of September, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has...
magnetoshere, pillage, raillery, Quarreling, alcove, myriad, Facade, Mundane, Exhibitionist, Flak, duress, Trichinosis and 74 more...
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September Words-10031
During the month of September, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has...
pseudonym, Cacophony, Cannabis, Bogus, Soulless, via, celestial, Liquor, dwarf, Wretched, Gemini, quartz and 53 more...
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Words I Intend to use.
selectarian, solastalgia, niefling, eldritch, santagnostic, laborious, obstreperous, quibble, inusitate, cacology, tmesis, cacoethes and 50 more...
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September Words-11337
During the month of September, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has...
flabbergasted, discombobulated, inclination, serendipity, savvy, profound, incarnation, myriad, confiscate, audacity, deciduous, adieu and 79 more...
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Poetry
lucid, silhouette, ethereal, illumination, serenity, requiem, adieu, celestial, esoteric, myriad, ebony, kaleidoscope and 16 more...
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September Words-11849
During the month of September, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has...
psilocybin, raca, schema, myriad, copacetic, chastise, fractal, tourniquet, turncoat, vicarious, surreptitiously, clandestine and 34 more...
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Spelling Conundrum
mischievous, confidant, cinch, befuddle, assailant, alleviate, coax, surreptitious, myriad
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myria-
numerous; many

Kristianto2010 These properties enable us to process amorphous carbons into a myriad of industrial
products including chemical-reducing agents, carbide-forming reagents,
metallurgical products, cathodic protection. Mar 18, 2011
chained_bear I can't see this word and not think of "Heathers." Sep 26, 2008
squareintheteeth I can't see this word and not think of the default Adobe font. Dec 18, 2006
seanahan http://www.answers.com/main/ntquery?gwp=13&s=myriad
Read the usage note. Myriad was originally a noun. Dec 2, 2006
angharad Dictionaries are linguistically descriptive. Many wordies are prescriptivist. Dec 2, 2006
brianwantium Consult a dictionary. Dec 2, 2006
dabrfe "myriad" is not a noun and should not be used as: "A myriad of folks who misuse this word." The proper use is: "Myriad folks misuse this word." Dec 2, 2006