folly [follies]▼ (foolishness) noun [UK: ˈfɒ.li] [US: ˈfɑː.li] Not every error is to be called folly. = Non tutti gli errori devono essere chiamati follia.
fool's errand ▼ (foolish undertaking) noun [UK: ˈfuːlz ˈe.rənd] [US: ˈfuːlz ˈe.rənd]
insanity [insanities]▼ (state of being insane) noun [UK: ɪn.ˈsæ.nɪ.ti] [US: ˌɪn.ˈsæ.nə.ti] This is insanity. = Questa è follia.
madness [madnesses]▼ (insanity) noun [UK: ˈmæd.nəs] [US: ˈmæd.nəs] The madness has yet to begin. = La follia deve ancora iniziare.
rampage ▼ (a course of violent, frenzied action) noun [UK: ræm.ˈpeɪdʒ] [US: ˈræm.ˌpedʒ]
spree [sprees]▼ (uninhibited activity) noun [UK: spriː] [US: ˈspriː]