1) Ass 2) Changeling 3) Idiot 4) Moron 5) Retard 1) Changeling 2) Clod 3) Disparaging epithet 4) Fool in secret intrigue 5) French word used in English 6) Half-wit 7) Hardly a brainiac 8) Hardly a mensa candidate 9) Idiot 10) Imbecile 11) Lowlife 12) Mentally defective person 13) Moron 14) No einstein 15) Obtuse one 16) Retard 17) Simple 18) Simpleton 
• (n.) One afflicted with cretinism.
An individual exhibiting cretinism. ... Origin: Fr. Cretin ... (05 Mar 2000) ... 
Person suffering from cretinism. Origin is Swiss French and means Christian. How cretin derives from a Swiss French word for Christian is a mystery to me. It has been suggested at http://www.chuckiii.com/Reports/Theater/August_Wilsons_Fences.shtml that people who were feebleminded had been `touched by God`
Cre'tin (krē'tĭn) noun [ French crétin ; of uncertain origin.] One afflicted with cretinism. 
Type: Term Pronunciation: kreh′tin, krē′tin Definitions: 1. Obsolete term for a patient exhibiting cretinism. 2. Obsolete term for anyone exhibiting congenital hypo-thyroidism.
A cretin is someone who suffers from the disease cretinism.
Victim of severe congenital thyroid deficiency, causing physical and mental retardation.
a person suffering from cretinism. · a stupid, obtuse, or mentally defective person.