cryptic crossword

ACROSS

1 Female arts graduate backing the learner (6)

5 Greedy pig, not very good, harsh (8) 9 High-church type acting, affected with alcohol (5,8) 10 Lost colour, with need to be changed (8)

11 Make connection with mug at Oxford? (4,2)

12 Men wanting a not-half clever person to give advice (6) 14 What could be mooniest feelings (8)

16 Weapon something frightening almost? I'm having it locked up (8) 19 Pleasant information I presented to US gangster? (6) 21 Keeps away from keen son, concealing love (6)

23 New unit established by Welsh woman in African city? (8)

25 Odd men out, sirs sadly taken amiss (13)

26 Port boozer knocked back after ten, getting drunk (8) 27 Sailor returning home, good sailor (6)

DOWN

2 Girl in early race -- that's the girl? (7) 3 Entertaining match? (5)

4 A spot in which you'll see navy chaps dressing up (9) 5 Terrible greed that consumes an important person (7) 6 A Greek character proved ultimately to be a pest (5) 7 Everyone housed in home, one with a name and in classical style (9) 8 Against upsetting performance in part of church service (7)

13 Official order given to young lady in vehicle (9)

15 Fixer of musical instrument is getting particular note right (9)

17 The first person to turn up in Irish town, someone from the distant past? (7) 18 Once again deal with hiding place (7)

20 A gang operating in ditch (7) 22 Dawn gets boy out of bed, we hear (5)

24 Sturdy person like George or David maybe on strike (5)