myriad

noun

1. (historical)Ten thousand; 10,000
2. (historical)Ten thousand; 10,000
3. A countless number or multitude (of specified things)

   “Earth hosts a myriad of animals.”

   “O Myriads of immortal Spirits, O Powers / Matchleſs, but with th' Almighty, and that ſtrife / Was not inglorious, though th' event was dire,”

   “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.”

   “I saw battle-corpses, myriads of them, / And the white skeletons of young men, I saw them, / I saw the debris and debris of all the slain soldiers of the war, […]”

   “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 ...”

adj

1. (not-comparable)Multifaceted, having innumerable elements.

   “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 [...].”

   “"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. (not-comparable)Great in number; innumerable, multitudinous.

   “Earth hosts myriad animals.”

   “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.”