suppressed

Adjective

• held in check with difficulty
  • a smothered cough
    
  • a stifled yawn
    
  • a strangled scream
    
  • suppressed laughter
    

• manifesting or subjected to suppression
  • a suppressed press
    

• kept from public knowledge by various means;

Related words

• Synonyms: 
  smothered , stifled , strangled
• Antonyms: 
  publicized , publicised