silliness Synonyms

absurdity giddiness fatuousness fatuity meaninglessness ridiculousness unreasonableness triviality tomfoolery stupidity risibility rashness puerility pettiness obtuseness nonsense mummery nonsensicality frivolousness mindlessness zaniness witlessness preposterousness nuttiness ludicrousness inaneness goofiness schmuckiness doltishness brainlessness monkey business senselessness pointlessness clowning illogicality madness lunacy fumishness frivolity foppery foolishness foolhardiness foolery folly flakiness fandango daftness craziness childishness buffoonery