from The American Heritage® Dictionary of the English Language, 4th 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.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. The number of ten thousand.
- n. An indefinitely great number.
- Numberless; innumerable; multitudinous; manifold.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a large indefinite number
- n. the cardinal number that is the product of ten and one thousand
- adj. too numerous to be counted
Greek mūrias, mūriad-, ten thousand, from mūrios, countless.(American Heritage® Dictionary of the English Language, Fourth Edition)
From French myriade, from Late Latin myrias (genitive of myriadis), from Ancient Greek μυριάδος (myriados), genitive of μυριάς (myrias, "number of 10,000"), from μύριος (myrios, "numberless, countless, infinite"). (Wiktionary)