The phrase "act of stupidity" is correct and usable in written English.
It can be used to describe a specific action or decision that is considered foolish or unwise.
Example: "His decision to invest all his savings in a failing business was an act of stupidity."
Alternatives: "foolish action" or "moment of foolishness".
It seems a transgression, a rebellion, an act of stupidity.
It was an act of stupidity as much as malice.
"I cried for days over an act of stupidity that lasted five seconds," he said.
"To market this too seriously," he said, "would be an act of stupidity I hope I'm not capable of".
"That was an act of stupidity, which I regret to this day," he writes in the book, published this Monday.
Europeans who believe that abandoning the Western liberal order would be an extraordinary act of stupidity must step up our game.
"Social media makes it easier to share acts of stupidity," he said.
Attempting to legislate against random acts of stupidity is difficult, particularly in the fast-moving world of technology.
He lacked a certain level of self-awareness, and I had to guard against random acts of stupidity.
By one of those incomprehensible acts of stupidity of which governments are so frequently capable, our own has decided no longer to fund "equal or lower qualifications" in higher education, meaning that if you have a bachelor's degree in English literature and after 20 years in the workplace wish to study for one in computing or nursing, the government will not fund it.
Legislating against random acts of stupidity is difficult – 'Don't be an idiot' lacks legal clarity "Don't be an idiot" is an instruction that lacks legal clarity, but the rules are clearly spelled out for British drone owners: keep them within sight (400ft up, 500m radius), 150m away from congested areas and 50m away from any person, vessel, vehicle or structure.
