Found 2 items, similar to moronic.
English → English (WordNet) Definition: moronic moronic adj : having a mental age of between eight and twelve years
English → English (gcide) Definition: moronic moronic \moronic\ adj. having a mental age of between eight and twelve years; also used as a derogatory term. [WordNet 1.5] Moron \Mo"ron\ (m[=o]"r[o^]n), n. [Gr. mw^ros foolish, stupid.] 1. (Pedagogy) A mentally retarded person whose intellectual development proceeds normally up to about the eighth year of age and is then arrested so that there is little or no further development; an adult having the mental development of an 8-to-12-year old. A moron is considered capable of doing routine work under supervision. [Webster 1913 Suppl. +PJC] 2. Hence, a very stupid person. [informal, derogatory] [PJC] -- mo*ron"ic adj. -- mo*ron"ic*al*ly adv. -- mo"ron*ism n. -- mo*ron"i*ty n.