DICT.TW Dictionary Taiwan

 moronism
 低能,魯鈍

 Mo·ron n.
 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.
 -- mo*ron*ic adj. -- mo*ron*ic*al*ly adv. -- mo*ron*ism n. -- mo*ron*i*ty n.