The definition of a moron is someone very stupid or foolish.(noun)
An extremely dumb person is an example of a moron.
See moron in Webster's New World College Dictionary
Origin: arbitrary use (by H. H. Goddard, 1866-1957, U.S. psychologist) of Gr mōron, neut. of mōros, foolish, akin to Sans mūrá-, stupid
See moron in American Heritage Dictionary 4
Origin: From Greek mōron
Origin: , neuter of mōros, stupid, foolish.
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