What is the meaning of wasting?

noun

• Any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease.
  • synonyms: cachexia, cachexy
• A decrease in size of an organ caused by disease or disuse.
  • synonyms: atrophy, wasting away

verb

• Spend thoughtlessly; throw away.
  • usage: "He wasted his inheritance on his insincere friends"; "You squandered the opportunity to get and advanced degree"
  • synonyms: waste, blow, squander
• Use inefficiently or inappropriately.
  • usage: "waste heat"; "waste a joke on an unappreciative audience"
  • synonyms: waste
• Get rid of.
  • usage: "We waste the dirty water by channeling it into the sewer"
  • synonyms: waste
• Run off as waste.
  • usage: "The water wastes back into the ocean"
  • synonyms: waste, run off
• Get rid of (someone who may be a threat) by killing.
  • usage: "The mafia liquidated the informer"; "the double agent was neutralized"
  • synonyms: neutralize, neutralise, liquidate, waste, knock off, do in
• Spend extravagantly.
  • usage: "waste not, want not"
  • synonyms: consume, squander, waste, ware
• Lose vigor, health, or flesh, as through grief.
  • usage: "After her husband died, she just pined away"
  • synonyms: pine away, waste, languish
• Cause to grow thin or weak.
  • usage: "The treatment emaciated him"
  • synonyms: waste, emaciate, macerate
• Cause extensive destruction or ruin utterly.
  • usage: "The enemy lay waste to the countryside after the invasion"
  • synonyms: lay waste to, waste, devastate, desolate, ravage, scourge
• Become physically weaker.
  • usage: "Political prisoners are wasting away in many prisons all over the world"
  • synonyms: waste, rot