Across
1 Complete nonsense about sports car’s gentle pace (7)
5 Tasteless material was first dealt with (7)
9 Self-control in contest with old firm (9)
10 Reward bishop with responsibility (5)
11 Held in contempt, yob is vacant (5)
12 Part that must be played, being ordered to boil bag (9)
13 Science lab is terribly hard to reach (12)
17 Turning bad in cup, a yellowish-brown soup (12)
20 Committee in favour of keeping nothing built badly (9)
21 Try to follow noise leading to wild dog (5)
22 Layabout unusually riled (5)
23 Devout learner, one in area mostly connected with America (9)
24 Refusal to join inspector in raincoat, wandering (7)
25 Gives up in seconds, breaking rules (7)
Down
1 Feeble law endlessly hollow (8)
2 Note, accepted by willing pawn, new strategy (4,4)
3 Wide unknown upland area to the north (5)
4 Contemptible person in broadcast cut out real artist (8-7)
5 Problem, part resolved, involving heather and tree (9,6)
6 Sailor in cold port hired car (9)
7 Straight part of tunnel in earth (6)
8 Awkward situation after editor upset dictator (6)
14 Edges of canal said to be untidy (9)
15 Child beset by worries getting up for last performance (8)
16 Singular arrangement of posy in small sketch (8)
18 Alternative procedure with oxygen in container (6)
19 All so excited before start of main race (6)
21 Depth for example in the role of artist (5)
