#extremity.adversity  an extreme condition or state (especially of adversity or disease)
  supertype:  adversity.tough_luck__hardship  a state of misfortune or affliction: "debt-ridden farmers struggling with adversity"; "a life of hardship"
  subtype:  bitter_end  the final extremity (however unpleasant it may be); "he was determined to fight to the bitter end"

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