1 Firms (10)
2 Briefest (8)
3 Musical compositions involving song (6)
4 Long comfy seat (4)
5 Held back (8)
6 Suppose (6)
7 Single one (4)
13 Less wet (5)
15 What the "E" means in "email" (10)
17 Colonists (8)
18 Directing (8)
20 Salary, wages etc (6)
22 The best (6)
24 Time unit of 60 minutes (4)
25 Contraction of "Do not" (4)