1: Grind nail head into wound (5)
4: True philosopher that suits the bride (9)
8: Bird dog devouring bad lad (4,5)
10: Crazy ogre royal? I hear you! (5)
12: Send inmates free gin (7)
14: Wine from Greek character one opposed (7)
15: Seedy lawyer is short on rest, disturbed (7)
17: Dilapidated sofa contained initially some hot embers: something's burnt remains. (5, 2)
18: Went to bed embarrassed about backward custom (7)
20: One eating little head of lettuce held by cook in hot water (7)
22: Call back upstart by the Spanish king of old Portugal (7)
23: They teach large groups of swimmers (7)
25: Asks loaded questions about coffee pot supplies (9)
27: Most in side swim in Derbys river (9)
28: Dixie, perhaps, greeting Japanese food (5)