1: Worthless even when recycled (3)
2: Glass part of lock (7)
3: Language making a comeback in modern Italy (5)
5: Rise as in throw, perhaps, showing fitness to fly (13)
6: Wanting lean candidates in favour (5,4)
7: Ceases running features about Republican in serious trouble (4,7)
9: Ships use up aid at sea; remain in a grave situation (4,2,7)
10: Man, and French Impressionist (5)
11: E.g., told story about cave-men (11)
14: The margin trade ordeal (9)
17: . . . before the last apprentice is put in the ground (5)
19: 'Old car stalls,' discloses again? (7)
22: Flower festival is pointless (5)
25: In fear of wheat head (3)