| lightheartedness(humor, merriment, triviality, levity, lightness) |
| lightsomeness |
| mischief(noun, absurdity, foolishness, horseplay, shenanigans) |
| mistake(nonsense, absurdity, stupidity, irrationality, idiocy) |
| monkeyshines(noun, mischief, horseplay) |
| moonshine(nonsense, garbage, twaddle) |
| mumbo jumbo(expression, account, explanation, excuse, drivel) |
| nitwittedness(apathy, nonsense, absurdity) |
| nonsensicalness |
| obliquity(nonsense, absurdity, stupidity, foolishness, madness) |
| palaver(account, explanation, excuse, drivel, garbage) |
| pettiness(noun, unimportance, triviality) |
| play(merriment, triviality, levity, playfulness, superficiality) |
| pranks(noun, mischief, horseplay) |
| prattle(account, explanation, excuse, drivel, garbage) |
| rashness(noun, nonsense, absurdity, recklessness, stupidity) |
| recklessness(nonsense, absurdity, stupidity, foolishness, madness) |
| ridiculous idea(expression, nonsense, absurdity, stupidity, foolishness) |
| rigmarole(noun, account, explanation, excuse, nonsense) |
| rubbish(account, explanation, excuse, nonsense, absurdity) |