1. Wristband (8)
5. Clear and bright (6)
9. Pants (8)
10. Necessitate (6)
12. Enumerates (5)
13. Expansive (9)
14. Mediate (6)
16. Backache (7)
19. Fix up (7)
21. Refrain (6)
23. Spacecraft (9)
25. Paroxysm (5)
26. Delimit (6)
27. Moving toward one (8)
28. Get smaller (6)
29. Strict disciplinarian (8)
Down
1. Fight (6)
2. The physical properties of sound (9)
3. S S S S (5)
4. Otalgia (7)
6. An uneducated person (9)
7. Keyboard instrument (5)
8. A persistent false psychotic belief (8)
11. Wickedness (4)
15. Three-dimensional (9)
17. Claim (9)
18. Reformer (8)
20. Reflected sound (4)
21. Water flea (7)
22. How heavy something is (6)
24. Directed (5)
25. A freshwater fish (5)