Synonyms for shut up

• (adj) pent, confined (similar term)
  
  
• (verb) close up, clam up, dummy up, belt up, button up, be quiet, keep mum, open up (antonym)
  
  
• (verb) lock in, lock away, lock, put away, shut away, lock up, confine
  
  
• (verb) hush, quieten, silence, still, hush up, suppress, stamp down, inhibit, subdue, conquer, curb, hush up (related term), louden (antonym)
  
  

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