2: Turncoat's first motive for disloyalty (7)
3: Take Chair in university (3)
4: Compete with life in France (3)
5: About....about right? Wrong! (3)
6: Quite put out, doctor axes red tape (11)
7: This sort of salad vegetable is found mostly below the surface. (7)
8: Ball-horses are travellers! (5-8)
9: Location of cheating, fiercer gender (4,9)
11: A favourite car of Seattle natives. (11)
12: Central matter for physicists luncheon: rocks releasing hydrogen (7)
13: Come up to breathe the skin? (7)
17: Early missionary or saint in a European setting (7)
19: This would make me a lord (7)
23: Arcking shot from Bill O'Brien (3)
24: Call initially communicates real yearning (3)
25: Right, turn right to play with robot (3)