The word "idiocy" in English means: Extremely stupid behaviour or a very stupid action., A state of having very low intelligence..
The phonetic transcription of "idiocy" is /ˌɪdiˈɒsi/ in British English and /ˈɪdioʊsi/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "idiocy": stupidity, folly, foolishness, absurdity.
Example usage of "idiocy": "His plan was pure idiocy, it was never going to work properly.". More examples on the page.