Root Word-- Mal: bad OR evil

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Across
  1. 2. bad outlook/mood; depressing; gloomy
  2. 5. ‘bad’ medical treatment; hurts instead of heals someone
  3. 6. poor nutrition
Down
  1. 1. mischief prone to do ‘evil’ or harm others
  2. 3. something is not working; broken
  3. 4. harmful tumor (like cancer) OR someone who commits “evil” acts
  4. 5. ‘badly’ shaped; disfigured