Offensive Term for an Idiot
Puzzle 1 of Home Improvement Easy Pack
Question is: Offensive Term for an Idiot
and the answer is: IMBECILE
Word Meaning:
IMBECILE — (obsolete) A person with limited mental capacity who can perform tasks and think only like a young child, in medical circles meaning a person who lacks the capacity to develop beyond the mental age of a normal five- to seven-year-old child.
Definitions from Wiktionary.