uncommon words

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Across
  1. 3. (of a manifestation or event) attributed to some force beyond scientific understanding or the laws of nature.
  2. 4. disconcert or confuse (someone).
  3. 6. having made a firm decision and being resolved not to change it.
  4. 8. performed or occurring as a result of a sudden impulse or inclination and without premeditation or external stimulus.
  5. 9. a harsh discordant mixture of sounds.
Down
  1. 1. not connected with or relevant to something.
  2. 2. a quadrilateral with no sides parallel.
  3. 5. the action or fact of obliterating or being obliterated; total destruction.
  4. 7. attracting notice or attention.