1: Rejections concern enthusiasts (7)
 2: Lignite with low carbon content (5,4)
 3: Against that terrible, consuming war (7)
 4: Guard enthralled by desperately urgent sad song (5)
 6: Dodgy queen is tender (5)
 7: More stable, or slide around (7)
 11: Flower, large one, set up outside (5)
 14: Troubled tenor with a transposition (2,3,5)
 16: Arsenals periodicals (9)
 17: Supremely clever stories, overlaid with humor (7)
 18: More delicate - cast off bluster (7)
 20: A grape drink for Edwin emptied inside (3,4)
 21: Burning body to face solar-powered clock (7)
 23: Call girl sting nabs head of Moral Majority (5)