die Dummheit
Translation
stupidity, foolishness, dumbness, a stupid act
Examples
Seine Dummheit hat uns viel Geld gekostet.
His stupidity cost us a lot of money.
Es war eine Dummheit, das zu tun.
It was a stupid thing to do that.
Grammar Patterns
to commit a stupidity / a foolish act eine Dummheit begehen He committed a great folly.
Similar Words
Synonyms: Torheit, Einfalt; Antonyms: Klugheit, Weisheit
Etymology
From the adjective 'dumm' (stupid, dumb) and the suffix '-heit', which forms abstract nouns, equivalent to '-ness' in English.
Memory Tips
Sounds like 'dumb-height'. Imagine someone reaching the 'height of dumbness' – that's Dummheit.