1: We hear you cannot pay, so you can't smell. (9)
2: Fashion term heartless: Feeling up Blossom (6-2-3)
3: Refuse graduate upgraded mark (7)
4: Sir Reed shot an American novelist (7)
5: The ultimate objective is not to achieve the goal. (2, 5, 1, 3)
6: Mystic eats piece of donut in ritual meal (5)
8: Going back in where GI trapped predator (5)
11: Fancied poem composed in comfort (5,2,4)
14: North wounded in action and removed from power (9)
16: Dont alter it, child; its a hat! (7)
17: Undercover agents concealing surplus (7)
18: French heart pines for early courses (7)
19: Returning sailors receive a penny for singular catch (5)
20: The pole will carry the principal mainsail (5)