1 An associate (6)
4 Runner (8)
10 Annoyed (9)
11 Injures (5)
12 Speak at great length (5)
13 Irrational (9)
14 Snubs (7)
16 Anagram of "Pads" (4)
19 Lazily (4)
21 Stabs (7)
24 Coalitions (9)
25 Type of vine (5)
26 Desert "trees" (5)
27 Broadcasts (9)
28 With child (8)
29 Fire-breathing monster (6)
Down
1 The lowermost sail (8)
2 Aliens (8)
3 Anagram of "Leant" (5)
5 Sells (7)
6 Move from another country (9)
7 Sudden spasm (6)
8 Sell again (6)
9 Morals (6)
15 Given off by uranium (9)
17 Scuffing (8)
18 Killer (8)
20 A peninsula of Central America (7)
21 Relating to snailmail (6)
22 Zany (6)
23 A trite remark (6)
25 Not the victor (5)