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Across
  1. 4. not expressing genuine feelings
  2. 6. trusting in one's abilities, qualities, and judgement
  3. 9. having or showing a tendency to be easily annoyed
  4. 10. having or showing dogged determination
  5. 11. showing or involving great activity or vitality
  6. 12. showing a readiness to give more of smth
Down
  1. 1. not enjoying or making an effort to behave sociably in the company of others
  2. 2. tending to see the worst aspect of things or believe that the worst will happen
  3. 3. easy character
  4. 5. dont want to wait
  5. 7. showing or feeling no concern for others' feelings
  6. 8. consistently good in quality or perfomance