What is the meaning of suppress?

verb

• To put down by force or authority.
  • usage: "suppress a nascent uprising"; "stamp down on littering"; "conquer one's desires"
  • synonyms: stamp down, inhibit, subdue, conquer, curb
• Come down on or keep down by unjust use of one's authority.
  • usage: "The government oppresses political activists"
  • synonyms: oppress, crush
• Control and refrain from showing; of emotions, desires, impulses, or behavior.
  • synonyms: inhibit, bottle up
• Put out of one's consciousness.
  • synonyms: repress
• Reduce the incidence or severity of or stop.
  • usage: "suppress a yawn"; "this drug can suppress the hemorrhage"