Synonym of silly

strike terror into scare the daylights out of scare to death make one's hair stand on end scarify disburb scared to death curdle the blood make teeth chatter make one's blood run cold scare off make blood run cold chilled to the bone scare away chill to the bone

birdbrain turkey fool dunderhead ninny lamebrain softhead schmo mooncalf halfwit geese schmuck twerp goose dumb ox tomfool fathead

ridiculous childish asinine impractical juvenile stupid daft absurd foolish giddy crazy frivolous idiotic inappropriate irresponsible ludicrous nonsensical pointless preposterous simple empty irrational balmy brainless dippy dizzy empty-headed fatuous featherbrained flighty foolhardy harebrained ignorant illogical immature imprudent inane inconsistent meaningless muddle-headed nitwitted puerile senseless sheepheaded simpleminded unintelligent unreasonable unwise vacuous witless

trivial mindless