1. 1st letter of the Greek alphabet (5)
6. Spoken (4)
7. Glue (5)
9. Writing fluid (3)
10. Negative (3)
12. Silly (5)
14. Nothing (4)
15. Bend (5)

Down

2. Thin (4)
3. Having a high temperature (3)
4. Area used for sports (5)
5. Best of a group (5)
7. Italian open pie (5)
8. Garment worn by women (5)
11. Responsibility (4)
13. At the present time (3)