English to English

noun (n)

• the quality of being mentally slow and limited

  kualiti menjadi mental lambat dan terbatas

  Synonym:
  denseness, slow-wittedness
  

  source: wordnet30
• The quality or state of being dumb; muteness; silence; inability to speak.

  kualiti atau keadaan yang buruk; kebisuan; diam; mampu berbicara.

  source: webster1913