From Middle English idiote or ydiote, through Old French and Latin idiota, from Greek idiotes, meaning a private person, layperson, or one without professional knowledge. The English word first carried ideas of ignorance or lack of learning, then developed the modern insulting sense of a stupid or foolish person. Its former medical and legal use is now rejected as offensive.
What does idiot mean?
It usually means a foolish, stupid, or careless person, and it is rude.
Is idiot offensive?
Yes. It is an insult in everyday use, and its old disability-related sense is now considered offensive.
What part of speech is idiot?
It is mainly a noun, as in an idiot or some idiot.
Can idiot be used politely?
Usually no. Use softer wording such as foolish person or describe the mistake instead.
What is the plural of idiot?
The regular plural is idiots.
What is the adjective form of idiot?
The usual adjective is idiotic, as in an idiotic idea.
Where does idiot come from?
It comes through French and Latin from Greek idiotes, a private person or layperson, and later shifted toward ignorance and foolishness.