1 Oversee (9)
6 Fortune teller (5)
9 Stalemate (7)
10 A word from rearranged letters (7)
11 Underwear (7)
12 Take one's clothes off (7)
13 Jury-rigged (9)
15 A letter of the Greek alphabet (5)
16 Covered cisterns (5)
19 Renounced the throne (9)
22 Eighty-three in Roman numerals (7)
23 The "oldness" of wine (7)
25 Wales (7)
26 Lending (7)
27 Vaulted (5)
28 Disaffected (9)
Down
1 Glided over snow (5)
2 A rousing speech (7)
3 Lists of names (7)
4 Concepts (5)
5 Emptied of people (9)
6 Burnt with a hot liquid (7)
7 An exercising weight (7)
8 A pole from which a light is hung (9)
13 Lost (9)
14 Not alive (9)
17 The most (7)
18 Mixed (7)
20 A choral composition (7)
21 Playful vexation (7)
23 Manservant (5)
24 Urged (on) (5)