According to the The Free Dictionary Farlex on the net, imbecile means: 1. A stupid or silly person; a dolt. 2. A person whose mental acumen is well below par. 3. A person of moderate to severe mental retardation having a mental age of from three to seven years and generally being capable of some degree of communication and performance of simple tasks under supervision. The term belongs to a classification system no longer in use and is now considered offensive. What the N. Koreans said about this criminal minded person is an insult to every imbecile person world wide, including but not limited to, the Arab regimes who believe in peace with a state its F.M with a name of Avigdor Lieberman!
Palestinian reportedly shot dead by Israeli soldiers after approaching Gaza border fence (Haaretz)
from the article: Lieberman: North Korea calling me an 'imbecile' is a compliment