Suffixes -less and -ful

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Across
  1. 3. more than enough
  2. 4. numb
  3. 7. cannot protect itself
  4. 10. full of meaning
  5. 11. full of beauty
  6. 12. has no words
Down
  1. 1. really not sure about something
  2. 2. not showing signs of acknowledgement
  3. 5. full of success
  4. 6. fabulous
  5. 8. has not windows
  6. 9. without bounds