This crossword No. 531 clues and answers were published on Sun 13 Nov 2005 and the puzzle can be visited by following The Guardian Speedy Crossword No. 531 link.
All Across Clues and Answers:
1-across – Ill repute : INFAMY
4-across – Narrow : STRAIT
9-across – Supply : FURNISH
10-across – Swerve shot at billiards : MASSE
11-across – Opening, fissure : CLEFT
12-across – Take back : RETRACT
13-across – Secret : CLANDESTINE
18-across – Verbally attack, rail : INVEIGH
20-across – Dispute : ARGUE
22-across – Aristocratic : NOBLE
23-across – Put into words : EXPRESS
24-across – Abundance : PLENTY
25-across – Seller : VENDOR
All Down Clues and Answers:
1-down – Contaminate : INFECT
2-down – Counterfeit : FORGE
3-down – Make damp : MOISTEN
5-down – Whet the appetite : TEMPT
6-down – Deny oneself : ABSTAIN
7-down – Score : TWENTY
8-down – List of alleged offences : CHARGESHEET
14-down – Amiable : LOVABLE
15-down – Crush underfoot : TRAMPLE
16-down – Abduct for ransom : KIDNAP
17-down – Expurgate : CENSOR
19-down – Dormant, lifeless : INERT
21-down – Avidity : GREED
This crossword has in total 26 where 13 are across and 13 are down.