1: 'Wrong and sick,' I quote... almost (7)
2: Height is equal to three-fifths of the first one (3)
3: Bend in the middle and wind back (3)
4: Diet, sir! Clergy upset with fat constituents (13)
6: Carelessly let teeth rot completely (2,3,6)
7: Arranged date in Cairo means extermination (11)
8: Herb talked about the fourth dimension (5)
11: Mild guess: I die reassembling a nasty weapon (6,7)
13: A properly run lottery might be a complete success (1,5,5)
14: Mixed greens and teals, so dad's remodeled (6,5)
20: Shelter Dracula's heart - he's representing blood-suckers (7)
21: Miserable raise follows poor grade (5)
24: Feel sick from crack? (3)
25: Freshen the atmosphere (3)