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Synonyms

myriad

American  
[mir-ee-uhd] / ˈmɪr i əd /

noun

  1. a very great or indefinitely great number of persons or things.

  2. ten thousand.

adjective

  1. of an indefinitely great number; innumerable.

    the myriad stars of a summer night.

  2. having innumerable phases, aspects, variations, etc..

    the myriad mind of Shakespeare.
    Synonyms:
    untold, infinite, boundless, countless

  3. ten thousand.

myriad British  
/ ˈmɪrɪəd /

adjective

  1. innumerable

"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

noun

  1. (also used in plural) a large indefinite number

  2. archaic 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

Other Word Forms

  • myriadly adverb

Etymology

Origin of myriad

First recorded in 1545–55; from Greek mȳriad-, stem of mȳriás “ten thousand,” from mȳríos “countless”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The other parallel is that private-credit investments now, and myriad mortgage instruments then, both promised high returns with minimal risk.

From Barron's • Mar. 27, 2026

The Nigerian government denies such claims, saying that members of all faiths have suffered amidst myriad conflicts which have engulfed rural parts of the country.

From BBC • Mar. 21, 2026

Some get treated as ordinary income, while others are taxed at the capital-gains rate, among myriad other issues when it comes to paying the tax bill on your investments.

From The Wall Street Journal • Mar. 8, 2026

Marathon’s nonbinary division that year, clocking in at 2:53:02 — one of myriad victories in his career.

From Los Angeles Times • Mar. 6, 2026

Would we be trying to fill myriad holes in our life?

From "Native Speaker" by Chang-rae Lee

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.