This piece distinguishes the difference between the term "stupid" and the clinical terms of "idiot," "imbecile," and "moron," and the general use of this word. It also clearly delineates the mentally-challenged and the mentally ill as compared to people of average intelligence who behave less intelligent than they are.

People are confused if these words are actually not on English dictionary.

Safety laws are devolving us into half-witted mutants.