[myr.i.ad] n [Gk myriad-, myrias, fr. myrioi countless, ten thousand] (1555) 1: ten thousand
2: a great number "a ~ of ideas"
[2]myriad adj (1791) 1: innumerable "those ~ problems"
2: having innumerable aspects or elements "the ~ activity of the new land --Meridel Le Sueur"