My puzzle

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Across
  1. 2. showing a casual and cheerful indifference considered to be callous or improper.
  2. 3. Deceit in order to achieve one's goal
  3. 5. A city in the Peloponnese, Greece.
  4. 6. a group of three people or things (usually in a group of three)
  5. 7. an intimate friend or associate
  6. 9. ram or pack (a substance) down or into something firmly.
  7. 11. the state or situation of being alone.
  8. 13. to throw away, dispose of
  9. 15. in an annoyed or slightly angry way21)
  10. 16. compelling attractiveness or charm that can inspire devotion in others.
  11. 17. a drug or other substance that affects mood or behavior and is consumed for nonmedical purposes, especially one sold illegally.
  12. 18. wild animals that are believed to be harmful to crops, farm animals, or game, or that carry disease, e.g., rodents.
  13. 19. reluctant to draw attention to oneself; shy.
Down
  1. 1. a person who advocates or practices socialism.
  2. 4. perplexed and confused; very puzzled.
  3. 8. (especially in legal contexts) the state of being someone's father
  4. 10. poke (someone) with a finger, foot, or pointed object.
  5. 12. in a way that is so slight, gradual, or subtle as not to be perceived.
  6. 14. Causing vertigo, especially by being extremely high or steep
  7. 15. a person who supports or believes in the principles of communism.