This crossword No. 12163 clues and answers were published on Mon 04 May 2009 and the puzzle can be visited by following The Guardian Quick Crossword No. 12163 link.
All Across Clues and Answers:
1-across – Secret : HUSHHUSH
5-across – Float — feel dizzy : SWIM
9-across – Gain knowledge : LEARN
10-across – Disturbance : RUCTION
11-across – Amusement that involves interlocking pieces : JIGSAWPUZZLE
13-across – Further contest to decide a tie : RUNOFF
14-across – Ring : CIRCLE
17-across – Related to rational thought processes : INTELLECTUAL
20-across – Characteristic quality of something : FLAVOUR
21-across – Suitable position : NICHE
22-across – Tardy : LATE
23-across – Sexual preamble : FOREPLAY
All Down Clues and Answers:
1-down – Grasp : HOLD
2-down – Chosen fixed point : STATION
3-down – Reliable chap : HONESTFELLOW
4-down – Crazy : SCREWY
6-down – Move rapidly — make hissing sound : WHIZZ
7-down – Capital of California under the Spanish : MONTEREY
8-down – Person known slightly : ACQUAINTANCE
12-down – Productive : FRUITFUL
15-down – Part of church containing altar : CHANCEL
16-down – Person who behaves bizarrely : WEIRDO
18-down – Stretch of space or time : TRACT
19-down – Refuse to admit : DENY
This crossword has in total 24 where 12 are across and 12 are down.