| insanity(noun, illness, nonsense, absurdity, stupidity) |
| stupidity(noun, nonsense, absurdity, foolishness, madness) |
| folly(noun, idea, nonsense, stupidity, foolishness) |
| imbecility(noun, nonsense, absurdity, stupidity, foolishness) |
| fatuity(noun, nonsense, absurdity, stupidity, foolishness) |
| simplicity(noun, nonsense, absurdity, ignorance, foolishness) |
| absurdity(noun, nonsense, stupidity, foolishness, madness) |
| foolishness(noun, nonsense, absurdity, stupidity, madness) |
| lunacy(noun, nonsense, absurdity, stupidity, foolishness) |
| madness(noun, nonsense, absurdity, stupidity, foolishness) |
| silliness(noun, nonsense, absurdity, stupidity, foolishness) |
| craziness(noun, nonsense, absurdity, stupidity, foolishness) |
| daftness(noun, nonsense, absurdity, stupidity, foolishness) |
| derangement(noun, frenzy, foolishness, alienation, irrationality) |
| idiocy(noun, nonsense, absurdity, stupidity, foolishness) |
| inanity(noun, nonsense, absurdity, stupidity, foolishness) |
| ineptitude(noun, simplicity, foolishness, silliness, foolhardiness) |
| irrationality(noun, nonsense, absurdity, stupidity, foolishness) |
| mania(noun, frenzy, foolishness, alienation, irrationality) |
| mindlessness |