noun (n)

• a poor ability to understand or to profit from experience

  kurang keupayaan untuk memahami atau untuk keuntungan dari pengalaman

  Antonym:
  intelligence
  

  source: wordnet30
• a stupid mistake

  kesalahan bodoh

  Synonym:
  betise, folly, foolishness, imbecility
  

  source: wordnet30
• The quality or state of being stupid; extreme dullness of perception or understanding; insensibility; sluggishness.

  kualiti atau keadaan menjadi bodoh; ketumpulan ekstrim dari persepsi atau pemahaman; hal pengsan; sluggishness.

  source: webster1913