Meaning of the word stupidity in English

What does stupidity mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

stupidity

US /stuːˈpɪd.ə.t̬i/
UK /stjuːˈpɪd.ə.ti/

Noun

the quality of being stupid, or a stupid action or idea

Example:
I can't believe the stupidity of that decision.
His constant stupidity drives me crazy.