Quick crossword

ACROSS

1. Alter (4) 3. Entrances (8) 9. Digit (7) 10. Pastoral (5) 11. Take the wrong way (12) 13. Unexpected defeats (6) 15. Afternoon nap (6) 17. Stubbornly resistant (12) 20. Porcelain (5) 21. Bitterness (7) 22. United (8) 23. Remain (4)

DOWN

1. Toxic (8) 2. Sloping surfaces (5) 4. Comrades (6) 5. Deafening (3-9) 6. Stuffy (7) 7. Ego (4) 8. Stop making progress (5,2,1,4) 12. Lately (8) 14. Apparent (7) 16. Sparse (6) 18. Terminate (5) 19. Go away! (4)