This crossword No. 665 clues and answers were published on Sun 15 Jun 2008 and the puzzle can be visited by following The Guardian Speedy Crossword No. 665 link.
All Across Clues and Answers:
1-across – Flock of birds, girls or other groups : BEVY
3-across – Roomy : SPACIOUS
9-across – Diadem : CORONET
10-across – Overturn : UPEND
11-across – Sharp : SALTY
12-across – Brigand : OUTLAW
14-across – In the position of greatest danger : ATTHESHARPEND
17-across – Sport : TENNIS
19-across – Meaninglessness : HOKUM
22-across – Optical device producing an intense beam of light : LASER
23-across – Major speech : ORATION
24-across – Awning or parasol, for example : SUNSHADE
25-across – Units of resistance : OHMS
All Down Clues and Answers:
1-down – Secondary or inferior status : BACKSEAT
2-down – Pertaining to an ultramicroscopic infection : VIRAL
4-down – Kill : PUTTOTHESWORD
5-down – Hard exterior : CRUST
6-down – Gormandised : OVERATE
7-down – Team : SIDE
8-down – Cell-produced protein : ENZYME
13-down – Motley assortment of things : ODDMENTS
15-down – Senator? : TREASON
16-down – Bring back to the boil, for instance : REHEAT
18-down – Lord Frederick —–, 18th century PM : NORTH
20-down – —– Floyd, TV cook and raconteur : KEITH
21-down – Bonus : PLUS
This crossword has in total 26 where 13 are across and 13 are down.