English to English

noun (n)

• the quality of being slow to understand

  kualitas yang lambat memahami

  Synonym:
  dullness
  

  source: wordnet30
• the quality of lacking a sharp edge or point

  kualitas kurang tajam atau point

  Antonym:
  acuteness
  

  source: wordnet30
• State or quality of being obtuse.

  negara atau kualiti menjadi lamban.

  source: webster1913