Last solution

Across: 1 Reminiscence; 7 Drear; 8 Incur; 9 Eve; 10 Sacrilege; 11 Assent; 12 Tariff; 15 Elucidate; 17 Ash; 18 Rouse; 19 Abuse; 21 Clothes horse.

Down: 1 Rio-de-Janeiro; 2 Nee; 3 Strict; 4 Eliminate; 5 Cache; 6 Free of charge; 7 Dregs; 10 Sentiment; 13 Inane; 14 Vacate; 16 Usual; 20 Ugh.