Complete
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1 9 11 16 18 22 24 13 2 14 3 19 8 12 23 4 25 5 10 15 20 6 21 7 17
  1. 1 a Powerful — stringy (6)
  2. 4 a German playwright, author of Mother Courage and Her Children, d. 1956 (6)
  3. 9 a African country — ruin dub (anag) (7)
  4. 10 a Administered corporal punishment (5)
  5. 11 a Bottomless chasm (5)
  6. 12 a It's impossible to see without one! (7)
  7. 13 a Buffet-style meal (11)
  8. 18 a Type of quadrilateral (7)
  9. 20 a Nothing (5)
  10. 22 a Dislike intensely (5)
  11. 23 a Affair (7)
  12. 24 a Minutes for a football match (not counting stoppages or extra time) (6)
  13. 25 a Repulsive (6)
  14. 1 d Passage underground (6)
  15. 2 d Excitable (5)
  16. 3 d A royal house (7)
  17. 5 d Explore — scout (informal) (5)
  18. 6 d Man with a body like a horse? (7)
  19. 7 d Little — squiffy (6)
  20. 8 d Buried container for future discovery (4,7)
  21. 14 d Mainly black aquatic rail (7)
  22. 15 d Most common UK bird of prey (7)
  23. 16 d Take into holy orders (6)
  24. 17 d Cheers (6)
  25. 19 d Exploded (5)
  26. 21 d Horse-catching rope (5)

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