Foolhardiness is a related term of stupidity.
As nouns the difference between foolhardiness and stupidity
is that foolhardiness
is the quality of being foolhardy while stupidity
is (uncountable) the property of being stupid.
The quality of being foolhardy.
(uncountable) The property of being stupid.
* , chapter=13
The Mirror and the Lamp
, passage=And Vickers launched forth into a tirade very different from his platform utterances. He spoke with extreme contempt of the dense stupidity
exhibited on all occasions by the working classes. He said that if you wanted to do anything for them, you must rule them, not pamper them. Soft heartedness caused more harm than good.}}
(countable) An act that is stupid.