Definition of Protagorean in US English:

Protagorean

adjective

Philosophy
  • Of or relating to Protagoras or his philosophy; (of a philosophy, system of thought, etc.) specifically characterized by relativism, agnosticism, or scepticism toward ideas of objectivity and external reality.

noun

Philosophy
  • An adherent or student of the philosophy of Protagoras.

Origin

Mid 17th century. From Protagoras (classical Latin Prōtagorās, ancient Greek Πρωταγόρας), the name of a Greek philosopher of the 5th cent. b.c. + -ean.

Pronunciation

Protagorean

/prə(ʊ)ˌtaɡəˈriːən/