keep down

Verb

• manage not to throw up

• put down by force or intimidation
  • The government quashes any attempt of an uprising
    
  • China keeps down her dissidents very efficiently
    
  • The rich landowners subjugated the peasants working the land
    

• place a limit on the number of

Related words

• Synonyms: 
  repress , quash , subdue , subjugate , reduce , number
• Antonyms: 
  vomit , vomit up , purge , cast , sick , cat , be sick , disgorge , regorge , retch , puke , barf , spew