2: Bitter expert with broken crib (7)

5: One eating little head of lettuce held by cook in hot water (7)

7: I'm ready to attend university without preparation (9)

9: Has His Highness started cannabis? (7)

11: Non-professional laggard goes underground (4,3)

1: Sort of pale after what one desires gets squashed (7)

2: He told tales about a love with foresight. (5)

3: I tailored radical written opinion (9)

4: Behind and down and out (3)

6: Gather and count to the next-highest multiple (5,2)

8: Listening to playwright's baloney (5)

10: Looks like an eyesore, sounds like an eyesore (3)