Quick crossword

ACROSS

6. Vote (6) 7. Boost (6) 10. Radical (7) 11. Commerce (5) 12. Formerly (4) 13. Even (5) 16. Ludicrous situation (5) 17. Challenge (4) 20. Empty (5) 21. Ghostly figure (7) 22. Muffle (6) 23. Fame (6)

DOWN

1. Forgetful (12) 2. Praise insincerely (7) 3. Cringe (5) 4. Wine seller (7) 5. Dull and cheerless (5) 8. Decide in advance (12) 9. Spyglass (9) 14. Stroll (7) 15. Wariness (7) 18. Relating to birth (5) 19. Stunned (5)