CROSSWORD

ACROSS

1. One and a hundred is a thousand — that's wrong (8)

5. America on bottom row (6)

9. Single housing worker going begging (8) 10. Be cleverer than foolish undergraduate? (6) 12. Lack of craft, perhaps, about a digital processing instrument (4,8) 15. Biblical character I whine about (5) 16. Bunch attending one musical — and another? (9)

18. Flower — bottom part raised, we hear? (9)

19. Deck, where sailors joining a party (5) 20. Lack of interest concerning argument (12)

24. Marks in Spanish listed when failing (6) 25. Everything considered, suggesting tall helot? (3,2,3)

26. Want relief primarily in the end (6)

27. Where to work out if reliability's back in faulty gas main (8)

DOWN

1. Swig punch (4)

2. Dirty linen evidently washed, disgusting originally (4)

3. Singing in Cambridge mansion, roof coming off (9)

4. Writing tool, magic marker? (12)

6. Central parts of industry reassuringly, and quietly, appropriate (5)

7. There she goes to blunder into catastrophe, captive initially (6,4) 8. Enjoyable day is going well, draining lake (10)

11. See about lesser VIP somehow becoming megastar (5,7)

13. A UK citizen holds I require bottles to be drunk (10)

14. Meaty stuff signalled, a trombone part coming up (10)

17. Post contains rubbish: foolish ultimately opening it (9)

21. Speeding boats (5) 22. Without allure, nappies emptied (4) 23. A mischievous thing coming up that may irritate? (4)