[mo.ron] n [irreg. fr. Gk moros foolish, stupid] (1910) 1: a mentally retarded person who has a potential mental age of between
8. and 12 years and is capable of doing routine work under supervision
2: a very stupid person -- mo.ron.ic adj -- mo.ron.i.cal.ly adv -- mo.ron.ism n -- mo.ron.i.ty n