| imprudence(nonsense, absurdity, stupidity, silliness, irrationality) |
| indiscretion(nonsense, absurdity, stupidity, silliness, irrationality) |
| insensibility(nonsense, absurdity, rubbish, stupidity, irrationality) |
| irresponsibility(nonsense, absurdity, rubbish, stupidity, foolishness) |
| ludicrousness(nonsense, absurdity, rubbish, stupidity, foolishness) |
| lunacy(noun, nonsense, absurdity, stupidity, foolishness) |
| meaninglessness(noun, absurdity, ridiculousness, pointlessness) |
| mischief-making(absurdity, stupidity, foolishness, shenanigans) |
| mistake(nonsense, absurdity, rubbish, stupidity, irrationality) |
| poppycock(nonsense, absurdity, rubbish, stupidity, foolishness) |
| preposterousness(noun, nonsense, absurdity, stupidity, silliness) |
| rubbish(nonsense, absurdity, stupidity, silliness, irrationality) |
| stuff and nonsense(expression, idiom) |
| tommyrot(nonsense, absurdity, rubbish, stupidity, foolishness) |
| twaddle(nonsense, absurdity, rubbish, stupidity, irrationality) |
| unreasonableness(nonsense, absurdity, rubbish, stupidity, irrationality) |
| unwiseness(nonsense, absurdity, rubbish, stupidity, irrationality) |
| weakness(nonsense, absurdity, rubbish, stupidity, irrationality) |
| witlessness(nonsense, absurdity, rubbish, stupidity, irrationality) |
| absurdism |