Quick –

No. 16, 339

Across: 1 Envy; 3 Massacre; 9 Partner; 10 Mould; 11 Disconsolate; 13 Tsetse; 15 Gauche; 17 House-breaker; 20 Alike; 21 Adulate; 22 Lengthen; 23 Cede.

Down: 1 Expedite; 2 Virus; 4 Afresh; 5 Simultaneous; 6 Caustic; 7 Eddy; 8 Inconsistent; 12 Reprieve; 14 Emotion; 16 Abrade; 18 Knave; 19 Hail.