This crossword No. 9553 clues and answers were published on Wed 13 Dec 2000 and the puzzle can be visited by following The Guardian Quick Crossword No. 9553 link.
All Across Clues and Answers:
1-across – Incapable of being maintained or defended : UNTENABLE
8-across – Grown-up : ADULT
9-across – Shining – happy : RADIANT
10-across – Deceive – cheat : HOODWINK
11-across – Epidermis – peel : SKIN
13-across – Full-grown – ripe : MATURE
14-across – Gilt brass : ORMOLU
16-across – Vegetable – Welsh emblem : LEEK
17-across – Brief skin-tight shorts worn by young women : HOTPANTS
19-across – Traveller in sacred place for religious reasons : PILGRIM
20-across – Weird : EERIE
21-across – Crisis : EMERGENCY
All Down Clues and Answers:
1-down – Adverse – out of the ordinary : UNTOWARD
2-down – Despot : TYRANT
3-down – Naked : NUDE
4-down – West Midlands industrial area : BLACKCOUNTRY
5-down – Snuffed out : EXTINGUISHED
6-down – Be humiliated : EATHUMBLEPIE
7-down – Unexpectedly : OUTOFTHEBLUE
12-down – Foretell – portend : PROPHESY
15-down – Swindler : CONMAN
18-down – Boast : BRAG
This crossword has in total 22 where 12 are across and 10 are down.