" boneheadedness "

1: the quality or state of lacking intelligence or quickness of mind;

  * e.g., " ... the sheer boneheadedness shown by the state's politicians, who have ignored the problem for decades "

•  Synonyms : 

•  brainlessness,

•  denseness,

•  density,

•  dim-wittedness,

•  doltishness,

•  dopiness,

•  dorkiness,

•  dullness,

•  dumbness,

•  fatuity,

•  foolishness,

•  gormlessness,

•  mindlessness,

•  oafishness,

•  obtuseness,

•  senselessness,

•  simpleness,

•  slowness,

•  stupidity,

•  stupidness,

•  thickness,

•  vacuity,

•  weak-mindedness,

•  witlessness

•  Antonyms : 

•  braininess,

•  brightness,

•  brilliance,

•  cleverness,

•  intelligence,

•  keenness,

•  quickness,

•  quick-wittedness,

•  sharpness,

•  smartness

1: a stupid person;

  * e.g., " ... the package's directions seem to suggest that anyone who would buy such a product is a bonehead "

•  Synonyms : 

•  airhead,

•  birdbrain,

•  blockhead,

•  bubblehead,

•  chowderhead,

•  chucklehead,

•  clodpoll,

•  clot,

•  cluck,

•  clunk,

•  cretin,

•  cuddy,

•  deadhead,

•  dim bulb,

•  dimwit,

•  dip,

•  dodo,

•  dolt,

•  donkey,

•  doofus,

•  dope,

•  dork,

•  dullard,

•  dum-dum,

•  dumbbell,

•  dumbhead,

•  dummkopf,

•  dummy,

•  dunce,

•  dunderhead,

•  fathead,

•  gander,

•  golem,

•  goof,

•  goon,

•  half-wit,

•  hammerhead,

•  hardhead,

•  idiot,

•  ignoramus,

•  imbecile,

•  jackass,

•  know-nothing,

•  knucklehead,

•  lamebrain,

•  loggerhead,

•  loon,

•  lump,

•  lunkhead,

•  meathead,

•  mome,

•  moron,

•  mug,

•  mutt,

•  nimrod,

•  nincompoop,

•  ninny,

•  ninnyhammer,

•  nit,

•  nitwit,

•  noddy,

•  noodle,

•  numskull,

•  oaf,

•  pinhead,

•  prat,

•  ratbag,

•  saphead,

•  schlub,

•  schnook,

•  simpleton,

•  stock,

•  stupe,

•  stupid,

•  thickhead,

•  turkey,

•  woodenhead,

•  yahoo,

•  yo-yo

•  Antonyms : 

•  brain,

•  genius