| foolery(nonsense, absurdity, stupidity, silliness, irrationality) |
| foolishness(nonsense, absurdity, stupidity, madness, silliness) |
| foozle |
| foul up |
| goof |
| horse feathers(expression, nonsense, absurdity, stupidity, irrationality) |
| howler |
| idiocy(nonsense, absurdity, stupidity, foolishness, madness) |
| imbecility(noun, nonsense, absurdity, stupidity, foolishness) |
| impracticality(nonsense, absurdity, stupidity, foolishness, madness) |
| inanity(nonsense, absurdity, stupidity, foolishness, madness) |
| insanity(nonsense, absurdity, stupidity, silliness, irrationality) |
| insensibility(nonsense, absurdity, stupidity, silliness, irrationality) |
| irrationality(nonsense, absurdity, stupidity, foolishness, madness) |
| irresponsibility(nonsense, absurdity, stupidity, silliness, irrationality) |
| ludicrousness(nonsense, absurdity, stupidity, silliness, irrationality) |
| lunacy(nonsense, absurdity, stupidity, foolishness, madness) |
| madness(nonsense, absurdity, stupidity, foolishness, silliness) |
| mistake(nonsense, absurdity, stupidity, silliness, irrationality) |
| muck up |