2: Man, and French Impressionist (5)
3: Note code with sorrow (7)
4: We blame knitter for small woolly jumper (3-4)
5: Learner said it was a huge green monster cooked in gravy. (7)
6: Dorothy's aunt incensed sheikdom (7)
7: Woman losing head after another fall (9)
8: Employ heart-broken Spartans where disaster came to pass. (11)
11: Stimulant produced as choir paid off (11)
14: Fewer chant Sumo beaten (3,2,4)
17: Arena performer's damage involving time and trouble (7)
18: Ancient historian understood America (7)
19: Moscow politician revolting in style (7)
20: Hit essayist with flower (7)
24: A quaintly pleasing accent (5)