This crossword No. 819 clues and answers were published on Sun 29 May 2011 and the puzzle can be visited by following The Guardian Speedy Crossword No. 819 link.
All Across Clues and Answers:
1-across – Repartee : BANTER
4-across – Make dependent : ADDICT
8-across – Rope with noose : LASSO
9-across – Gesticulate, sign : GESTURE
10-across – Serious, intent : EARNEST
11-across – Ward off : AVERT
12-across – Authoritative : MASTERFUL
17-across – Vagrant, hobo : TRAMP
19-across – Apathetic state : INERTIA
21-across – Extend : PROLONG
22-across – Razor sharpener : STROP
23-across – Connect : RELATE
24-across – Fanatic : ZEALOT
All Down Clues and Answers:
1-down – Credo : BELIEF
2-down – Remedy : NOSTRUM
3-down – Call to mind : EVOKE
5-down – Female line : DISTAFF
6-down – Accustom : INURE
7-down – Pact : TREATY
9-down – Assembly : GATHERING
13-down – Back : SUPPORT
14-down – Word for word : LITERAL
15-down – Daze : STUPOR
16-down – Engine part : TAPPET
18-down – Coral island : ATOLL
20-down – Follow : ENSUE
This crossword has in total 26 where 13 are across and 13 are down.