Last week’s solution:

Across: 6 Clamour; 7 Decor; 9 Often; 10 Precede; 12 Terrestrial; 14 Uncertainty; 18 Contact; 19 Lorry; 21 Event; 22 Defence.

Down: 1 Cleft; 2 Impede; 3 Nub; 4 Fencer; 5 Cordial; 8 Drastic; 11 Protect; 13 Involve; 15 Extend; 16 Trowel; 17 Trick; 20 Vex.