1. Stubbornly persistent (9)
6. Receded (5)
9. A crisp smooth lustrous fabric (7)
10. A traitorous act (7)
11. Ill-mannered and coarse (7)
12. Rust (7)
13. Dock worker (9)
15. A peninsula in northeastern Egypt (5)
16. Geologic period (5)
19. Sailboat (9)
22. Patio (7)
23. Barely enough (7)
25. A sexually attractive young woman (7)
26. Exertion (7)
27. One who gives (5)
28. Not counterfeit (9)
Down
1. Base 8 (5)
2. Cause to spread (7)
3. Specify individually (7)
4. Inundated (5)
5. An outgoing personality (9)
6. What we blink (7)
7. A stronghold (7)
8. A common weed (9)
13. Sugared (9)
14. Musical group (9)
17. Rower (7)
18. Common Old World heath (7)
20. Ordinary (7)
21. Abundant (7)
23. Choral work (5)
24. Pale purple (5)