idiotism

idiotism [ˈɪdɪəˌtɪzəm]

n

1. an archaic word for idiocy

2. (Linguistics) an obsolete word for idiom

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idiotism

1. the condition of an idiot, especially an extreme degree of mental deficiency, usually a mental age of less than three or four years; idiocy.
2. idiotic conduct or action, especially in a normal person. — idiotie, adj.

See also: Idiocy