| hysteria(stupidity, foolishness, irrationality, senselessness) |
| icing on the cake(expression, idiom, waste, luxury, excess) |
| immoderation(waste, luxury, extravagance, excess, absurdity) |
| implausibility(noun, absurdity) |
| impossibility(noun, absurdity) |
| improvidence(waste, luxury, extravagance, excess, absurdity) |
| inattention |
| incapacity |
| indiscreetness(noun, mistake, rudeness, lapse, error) |
| indulgence waste |
| indulging |
| ingenuousness(noun, mistake, rudeness, lapse, error) |
| insensibility(nonsense, absurdity, rubbish, stupidity, irrationality) |
| invalidity(noun, absurdity) |
| jazz(stupidity, foolishness, drivel, garbage, silliness) |
| jest(merriment, triviality, drivel, garbage, levity) |
| jive(stupidity, foolishness, drivel, garbage, silliness) |
| lapse(noun, mistake, rudeness, error, indiscretion) |
| lavishness(waste, luxury, extravagance, excess, absurdity) |
| lightheartedness(humor, merriment, triviality, levity, silliness) |