Last solution

Across: 1 Ditch; 4 Swamped; 8 Stadium; 9 Pious; 10 Oven; 11 Doctrine; 13 Prod; 14 Stay; 16 Reticent; 17 Talc; 20 Irate; 21 Reproof; 22 Gallery; 23 Dwell. Down: 1 Disconcerting; 2 Trade; 3 Hail; 4 Summon; 5 Appetite; 6 Prodigy; 7 Disrespectful; 12 Concrete; 13 Pitfall; 15 Energy; 18 Alone; 19 Sped.