1: Nothing, nothing in shape (5)
3: Loud noise in vocal number (7)
4: Oak's first seen on the first of May with its leaves out (5)
5: Refusals thwarted goons (2-3)
6: Always, the final way is a mountain! (7)
7: Ideas educate to reveal that things have relaxed.(5)
8: Supposed hot desire gnawed (9)
10: He got ripped exhibiting selfish behavior (3,4)
14: Don't cease ridiculous stories (9)
16: Doctrine for some Kiwis makes sense (3)
18: A correspondent from every point on island (7)
20: Little bitty lines on a letter from Athens (7)
21: Free time the French one rues, unfortunately (7)
23: Old Mongoloid to farewell religious leader (5)
24: Enter names - register only lists beginners (5)
25: Send back stopwatch, as an example (5)
27: Blonde's blemishes reflected (5)