Round 1 -

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Across
  1. 3. Butane, eg (3)
  2. 4. Pertaining to natural medicine (6)
  3. 5. Type, kind (3)
  4. 6. Smack, slap (3)
  5. 7. Contradict (6)
  6. 8. Oversized clothes (5)
  7. 10. Having a particular taste (9)
  8. 11. Visually unappealing (4)
  9. 13. Severe, cruel (5)
  10. 14. Ancient Egyptian beetle (6)
  11. 15. End of a prayer (4)
  12. 17. Chill out (5)
Down
  1. 1. Drink made with a bag (3)
  2. 2. First number (3)
  3. 3. Creature of folklore (6)
  4. 4. Holidaying on foot (6)
  5. 7. Artifice (4)
  6. 9. Opposite of old (5)
  7. 12. Curator of books (9)
  8. 16. Void, invalid (4)