Yesterday’s solutions:

Across: 1 Frog-marches. 9 Apropos. 10 Triceps. 11 Waterside. 12 Thong. 13 Risque. 15 Scherzo. 19 Nosejob. 20 Freeze. 23 Untie. 25 Treasured. 27 Octagon. 28 Imagine. 29 Parenthesis.

Down: 1 First. 2 Opportune. 3 Mosaic. 4 Retrench. 5 Hoist. 6 Shemozzle. 7 Haywire. 8 Usage. 14 Shortstop. 16 Etruscans. 17 Cotton on. 18 Headset. 21 Buxom. 22 Zenith. 24 Elgar. 26 Reins.