Definition of shut up

adjective satellite (s)

• closely confined (adj.all)

  Synonym: pent
  

  source: wordnet30

verb (v)

• refuse to talk or stop talking; fall silent (verb.communication)

  Synonym: be quiet, belt up, button up, clam up, close up, dummy up, keep mum
  Antonym: open up
  

  Example:
  The children shut up when their father approached.
  

  source: wordnet30
• place in a place where something cannot be removed or someone cannot escape (verb.contact)

  Synonym: lock, lock away, lock in, lock up, put away, shut away
  

  source: wordnet30
• cause to be quiet or not talk (verb.change)

  Synonym: hush, hush up, quieten, silence, still
  Antonym: louden
  

  source: wordnet30

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