Last solution

Across: 1 Idler; 4 Proffer; 8 Derange; 9 Strip; 10 Free; 11 Accurate; 13 Even; 14 Here; 16 Guttural; 17 Cash; 20 Breed; 21 Explode; 22 Element; 23 Tight.

Down: 1 Indefatigable; 2 Large; 3 Ring; 4 Pierce; 5 Obscured; 6 Forgave; 7 Replenishment; 12 Befuddle; 13 Extreme; 15 Patent; 18 Along; 19 Spot.