Definition of Myriad Myriad: A great number, a very large number, a huge number of something. There are, for example, myriad ways in which syphilis can present; it is the great imitator. "Myriad" is a Greek word for 10,000 (ten thousand).
Myriad: A great number, a very large number, a huge number of something. There are, for example, myriad ways in which syphilis can present; it is the great imitator. "Myriad" is a Greek word for 10,000 (ten thousand).
