My puzzle

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Across
  1. 5. faraway, far off, remote
  2. 7. theory, supposition
  3. 8. comparable, parallel
  4. 10. not damaged, complete, entire
Down
  1. 1. a period between two events or times
  2. 2. inheritance, legacy
  3. 3. a rare or significant fact or event
  4. 4. troublemaking
  5. 6. skyline, range of vision
  6. 9. prompt, rapid