1 This clue goes in this direction (9)
2 Not useable (7)
3 Petrol for North Americans (3)
4 Rhymes with abhor but means the opposite (5)
5 Gamble with money (3)
6 An exclamation of pain (2)
9 Covers a book or furniture (9)
10 Small advertisement (2)
11 Objective first person (2)
14 Hesitates no longer (7)
16 Extra terrestial (2)
17 What you sing (5)
18 May be the end of a boxing match (2)
21 Half of two (3)
22 Prohibit a place to drink alcohol (3)
23 For example (2)