Telegraph crossword

Across

1 Oscar __, Irish playwright (5)

4 Disgusting (4)

8 Metallic element (3)

9 Table vegetable (9)

10 Reverberate (4)

11 Wading bird (8)

12 Four-winged insect (3)

13 Advertising catchphrase (6)

14 Fall guy (6)

16 Beer (3)

17 Make easier (8)

18 Repair (4)

20 Mudriff (9) 21 Chopper (3)

22 Rain heavily (4)

23 Rings; taxes (5)

Down

1 Tetifier (7) 2 Spam (8,4)

3 Compass point (4)

4 Weak (6)

5 Final (8)

6 Explain fully (2,4,6)

7 Open; loosen (4)

11 Bog, marsh (3)

12 Extravagant publicity (8)

14 Furtive (3)

15 Everlasting (7) 16 Relationship (6)

17 Team (4)

19 Leave out (4)