idiocy

Noun

idiocy (countable and uncountable, plural idiocies)

1. (dated, derogatory) The state or condition of being an idiot; the quality of having an intelligence level far below average.

   Synonyms:

   idioticness, imbecility, moronicity, mental retardation, intellectual disability

2. (uncountable) Lack of intelligence or sense; extremely foolish behaviour.
   • The administrators, growing tired of such idiocy, put a new policy in place.

   Synonyms:

   idioticness, imbecility, moronicity

3. (countable) An idiotic act or utterance.
   • The list of his idiocies is seemingly interminable.
   • “Well, Atticus, I was just sayin‘ to Mr. Cunningham that entailments are bad an’ all that, but you said not to worry, it takes a long time sometimes… that you all’d ride it out together…” I was slowly drying up, wondering what idiocy I had committed.1960 July 11, Harper Lee, To Kill a Mockingbird, Philadelphia, Pa.; New York, N.Y.: J[oshua] B[allinger] Lippincott Company, →OCLC