?485–?411 bc, Greek philosopher and sophist, famous for his dictum "Man is the measure of all things."
WordReference Random House Unabridged Dictionary of American English © 2025
Pro•tag•o•ras
(prō tag′ər əs),USA pronunciation n. Pro•tag•o•re•an
(prō tag′ə rē′ən),USA pronunciation adj.
Pro•tag′o•re′an•ism, n.
- Biographicalc480–c421b.c.,Greek Sophist philosopher.
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