foolishness(thing or event that is foolish) noun [UK: ˈfuː.lɪ.ʃnəs] [US: ˈfuː.ˌlɪ.ʃnəs]
nonsense(meaningless words) noun [UK: ˈnɒnsns] [US: ˈnɑːn.sens]Hearing such nonsense, Julia rolled her eyes back into her head. = Al oír semejante sandez, Julia puso los ojos en blanco.
stupidity [stupidities](property of being stupid) noun [UK: stjuː.ˈpɪ.dɪ.ti] [US: stuː.ˈpɪ.də.ti]