Yesterday’s solutions:

Across: 1 Significant. 7 Perm. 8 Vintage. 9 Bye.10 Realm. 11 Tablet. 13 Dental. 16 Perch. 18 Vic. 19 Chianti. 20 Limp. 21 Legislation.

Down: 1 Sierra. 2 Gambol. 3 Invent. 4 Inner. 5 Adamant. 6 Thermal. 11 Topical. 12 Barring. 13 Davina. 14 Nuclei. 15 Acumen. 17 Hangs.