What is the meaning of purge?

noun

• The act of clearing yourself (or another) from some stigma or charge.
  • synonyms: purging, purgation
• An act of removing by cleansing; ridding of sediment or other undesired elements.
  • synonyms: purging
• An abrupt or sudden removal of a person or group from an organization or place.
  • usage: "he died in a purge by Stalin"

verb

• Oust politically.
  • usage: "Deng Xiao Ping was purged several times throughout his lifetime"
• Clear of a charge.
• Make pure or free from sin or guilt.
  • usage: "he left the monastery purified"
  • synonyms: purify, sanctify
• Rid of impurities.
  • usage: "purge the water"; "purge your mind"
• Rinse, clean, or empty with a liquid.
  • usage: "flush the wound with antibiotics"; "purge the old gas tank"
  • synonyms: flush, scour
• Eject the contents of the stomach through the mouth.
  • usage: "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
  • synonyms: vomit, vomit up, cast, sick, cat, be sick, disgorge, regorge, retch, puke, barf, spew, spue, chuck, upchuck, honk, regurgitate, throw up
• Excrete or evacuate (someone's bowels or body. )
  • usage: "The doctor decided that the patient must be purged"