| horse feathers(noun, expression, nonsense, stupidity, idiocy) |
| hysteria(noun, frenzy, foolishness, alienation, irrationality) |
| illusion(noun, frenzy, foolishness, alienation, irrationality) |
| immaturity |
| impracticality(noun, nonsense, absurdity, stupidity, foolishness) |
| inadvisability(noun, nonsense, absurdity, stupidity, foolishness) |
| inattention |
| inexpedience |
| insensibility(noun, nonsense, absurdity, rubbish, stupidity) |
| irresponsibility(noun, nonsense, absurdity, stupidity, foolishness) |
| ludicrousness(noun, nonsense, absurdity, stupidity, foolishness) |
| mental deficiency |
| mistake(noun, nonsense, absurdity, rubbish, stupidity) |
| neurosis(noun, frenzy, foolishness, alienation, irrationality) |
| obliquity(noun, nonsense, absurdity, stupidity, foolishness) |
| phobia(noun, frenzy, foolishness, alienation, irrationality) |
| poppycock(noun, nonsense, absurdity, rubbish, stupidity) |
| possession |
| psychopathy(noun, frenzy, foolishness, insanity, alienation) |
| psychosis(noun, frenzy, foolishness, alienation, irrationality) |