Idiocy

ahd-5
  • noun. Extreme folly or stupidity.
  • noun. A foolish or stupid utterance or deed.
  • The Century Dictionary and Cyclopedia
  • noun. The state of being an idiot; natural absence or marked defect of understanding; mental imbecility. See idiot.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. The condition or quality of being an idiot; absence, or marked deficiency, of sense and intelligence.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. The state or condition of being an idiot; the quality of having an intelligence level far below average; mental retardation.
  • noun. An act lacking intelligence or sense; an instance of senselessness; extremely foolish behaviour.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. extreme mental retardation