As nouns the difference between stupidity and witlessness
is that stupidity
is (uncountable) the property of being stupid while witlessness
is the state of being witless; stupidity.
(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.
The state of being witless; stupidity