This crossword No. 11998 clues and answers were published on Tue 21 Oct 2008 and the puzzle can be visited by following The Guardian Quick Crossword No. 11998 link.
All Across Clues and Answers:
1-across – Depressed – feathers : DOWN
3-across – Making negative judgments : CRITICAL
8-across – Additional : MORE
9-across – Withdraw opinion or claim : BACKDOWN
11-across – Inflammation of the windpipe : LARYNGITIS
14-across – Sexually mature : NUBILE
15-across – Look through thoroughly : SEARCH
17-across – Unprovoked attack : AGGRESSION
20-across – Pipework : PLUMBING
21-across – Drop : FALL
22-across – Cross : TRAVERSE
23-across – Close – stingy : NEAR
All Down Clues and Answers:
1-down – Dough ball cooked in stew : DUMPLING
2-down – : WARDROBE
4-down – Person moving and setting up band’s equipment : ROADIE
5-down – Relax : TAKEITEASY
6-down – Expanded part of bird’s throat : CROP
7-down – Period before Easter : LENT
10-down – Not qualified – lie in bilge : INELIGIBLE
12-down – Water land by means of ditches etc : IRRIGATE
13-down – Dealer in specialized merchandise : CHANDLER
16-down – Man’s swimming costume : TRUNKS
18-down – Slight argument : SPAT
19-down – Distinctive air : AURA
This crossword has in total 24 where 12 are across and 12 are down.