senselessness

absurdity absurdness bunk claptrap craziness folly foolery idiocy imbecility impracticality imprudence inanity indiscretion insanity insensibility irrationality irresponsibility lunacy madness mistake nonsense poppycock rubbish silliness stupidity tomfoolery tommyrot twaddle unwiseness weakness

carrying-on dumb trick fool trick horse feathers ludicrousness preposterousness unreasonableness witlessness zaniness

intelligence judgment sense understanding wisdom