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myriad

[mir-ee-uh d] /ˈmɪr i əd/
noun
1.
a very great or indefinitely great number of persons or things.
2.
ten thousand.
adjective
3.
of an indefinitely great number; innumerable:
the myriad stars of a summer night.
4.
having innumerable phases, aspects, variations, etc.:
the myriad mind of Shakespeare.
5.
ten thousand.
Origin
1545-1555
1545-55; < Greek mȳriad- (stem of mȳriás) ten thousand; see -ad1
Related forms
myriadly, adverb
Synonyms
4. countless, boundless, infinite, untold.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for more myriad

myriad

/ˈmɪrɪəd/
adjective
1.
innumerable
noun
2.
(also used in pl) a large indefinite number
3.
(archaic) ten thousand
Word Origin
C16: via Late Latin from Greek murias ten thousand
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for more myriad

myriad

n.

1550s, from Middle French myriade and directly from Late Latin myrias (genitive myriadis) "ten thousand," from Greek myrias (genitive myriados) "a number of ten thousand, countless numbers," from myrios (plural myrioi) "innumerable, countless, infinite; boundless," as a definite number, "ten thousand" ("the greatest number in Greek expressed by one word," Liddell & Scott say), of unknown origin; perhaps from PIE *meue- "abundant" (cf. Hittite muri- "cluster of grapes," Latin muto "penis," Middle Irish moth "penis"). Specific use is usually in translations from Greek or Latin.

adj.

c.1800, from myriad (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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