adjectives advanced

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Across
  1. 2. (of a person) strong, brave, and impossible to defeat or make frightened:
  2. 7. thinking carefully and quietly:
  3. 8. unwilling to accept defeat or stop doing or having something:
  4. 9. based on feelings rather than facts or proof:
  5. 10. having the ability to imagine how someone else feels
  6. 12. willingness to do things that bring advantages to others, even if it results in disadvantage for yourself:
Down
  1. 1. based on practical judgments rather than principles:
  2. 3. able or willing to change in order to suit different conditions:
  3. 4. good or quick at noticing things:
  4. 5. mysterious and seems impossible to understand completely:
  5. 6. determined in character, action, or ideas:
  6. 11. expressing an idea or opinion clearly and in a persuasive manner