• Muteness
  Muteness
  Muteness or mutism is an inability to speak caused by a speech disorder. The term originates from the Latin word mutus, meaning "silent".-Causes:...
  
  , the condition of being unwilling or unable to speak
• Stupidity
  Stupidity
  Stupidity is a lack of intelligence, understanding, reason, wit, or sense. It may be innate, assumed, or reactive - 'being "stupid with grief" as a defence against trauma', a state marked with 'grief and despair...making even simple daily tasks a hardship'....
  
  , a lack of intelligence
• "Dumb" (song), a 1993 song by the band Nirvana from the album In Utero
• "Dumb" (The 411 song)
  Dumb (The 411 song)
  "Dumb" is a single by British R'n B group The 411. Released in August 2004, it was included on the group's debut album Between the Sheets. To date, "Dumb" is their highest-charting single reaching number three in the UK Top 75 losing the number one position to Natasha Bedingfield's "These Words"...
  
  , a 2004 song by the group The 411
• "Dumb", a 1998 song by the band Garbage from the album Version 2.0
  Version 2.0
  Version 2.0 is the second album by alternative rock group Garbage. It was released worldwide in May 1998 by Mushroom Records UK and in North America by Almo Sounds. Version 2.0 was the follow-up to the band's multi-platinum debut album Garbage. Despite a slow start, Version 2.0 went on to equal its...
  
  

See also

• Dumbing down
  Dumbing down
  Dumbing down is a pejorative term for a perceived trend to lower the intellectual content of literature, education, news, and other aspects of culture...
  
  , the over-simplification of a topic
• Dummy (disambiguation)