8 A gesture of farewell (4)
9 An ancient Hebrew unit of dry measure (5)
10 Shaft on which a wheel rotates (4)
11 Scream (6)
12 Type of synthetic rubber (8)
13 Designates beforehand (8)
15 Pierce on a stake (6)
17 Controversial (7)
19 Genius (slang) (7)
22 Gaelic (6)
24 Encouraged (8)
26 Force (8)
28 Degree or boundary (6)
30 Satisfy (4)
31 Made a mistake (5)
32 No (slang) (4)
Down
1 Solemn promise (4)
2 Diverges (8)
3 Sleeveless jacket (6)
4 Pertaining to the most populous country (7)
5 Firing a projectile (8)
6 Persian governor (6)
7 Scheme (4)
14 Strange or spooky (5)
16 Rental agreement (5)
18 Encompasses (8)
20 Lifting (8)
21 Pistol (7)
23 Preferences (6)
25 Quick (6)
27 The back end (4)
29 Small sharp bites (4)