1. plural of idiocy; instances of extremely foolish or senseless behavior or speech
Usage: countable noun; often used to criticize repeated or multiple foolish acts
2. plural of idiocy; severe intellectual disability (archaic medical term)
Usage: archaic; medical; now considered offensive; replaced by modern clinical terminology

Examples

• The committee dismissed the proposal as one of many idiocies that wasted their time.
• His speech was filled with such obvious idiocies that the audience laughed.
• She couldn't believe the idiocies her brother committed while trying to impress his friends.
• The film satirizes the idiocies of modern consumer culture.
• Despite repeated warnings, he continued to commit the same idiocies.