8 Reasonable (4)
9 Leather-clad vixen (10)
10 Transparent gem (6)
11 Huge masses of ice (8)
12 Butterfly-like insect (4)
13 Annulment (10)
17 Fastened (4)
18 A noble gas (5)
19 Gag (4)
20 Showman (10)
22 An Egyptian deity (4)
23 Instruction (8)
27 Pharynx (6)
28 An expresso coffee (10)
29 Always (4)
Down
1 Funny farm (10)
2 Soaked (8)
3 Opinion pieces in newspapers (10)
4 Dirty air (4)
5 Dwarf buffalo (4)
6 Severe or rigid (6)
7 A support for a bridge (4)
14 Vim (5)
15 Elixir (10)
16 Shelters for parentless children (10)
19 Pranks (8)
21 Cooking directions (6)
24 An unfledged hawk (4)
25 Native of South America (4)
26 Fortitude (4)