shut up

Adjective

• closely confined

Verb

• cause to be quiet or not talk
  • Please silence the children in the church!
    

• place in a place where something cannot be removed or someone cannot escape
  • The parents locked her daughter up for the weekend
    
  • She locked her jewels in the safe
    

• refuse to talk or stop talking; fall silent
  • The children shut up when their father approached
    

Related words

• Synonyms: 
  pent , shut up(p) , hush , quieten , silence , still , hush up , lock in , lock away , lock , put away , shut away , lock up , close up , clam up , dummy up , belt up , button up , be quiet , keep mum
• Antonyms: 
  louden , open up