| giddiness(fun, absurdity, foolishness, drivel, mischief) |
| grotesqueness(noun, ridiculousness) |
| hilarity |
| horse feathers(expression, nonsense, absurdity, stupidity, foolishness) |
| hot air(expression, stupidity, foolishness, drivel, garbage) |
| humorousness(noun, quality, laughter) |
| imbecility(noun, absurdity, foolishness, silliness, ridiculousness) |
| implausibility(noun, absurdity) |
| impossibility(noun, absurdity) |
| impracticality(noun, weakness, mistake, thoughtlessness, nonsense) |
| imprudence(nonsense, absurdity, stupidity, drivel, garbage) |
| inconsistency(noun, absurdity) |
| incredibility(noun, ridiculousness) |
| indiscretion(nonsense, absurdity, stupidity, silliness, irrationality) |
| insensibility(nonsense, absurdity, rubbish, stupidity, irrationality) |
| invalidity(noun, absurdity) |
| irresponsibility(fun, nonsense, absurdity, stupidity, foolishness) |
| jazz(stupidity, foolishness, drivel, garbage, silliness) |
| jest(noun, happiness, fun, humor, absurdity) |
| jive(stupidity, foolishness, drivel, garbage, silliness) |