This crossword No. 603 clues and answers were published on Sun 08 Apr 2007 and the puzzle can be visited by following The Guardian Speedy Crossword No. 603 link.
All Across Clues and Answers:
1-across – Part of sentence with verb : CLAUSE
4-across – Roadside hotel : MOTEL
7-across – Contaminated : IMPURE
8-across – Termination : ENDING
9-across – Poet : BARD
10-across – Sophistication : URBANITY
12-across – With arms and legs outstretched : SPREADEAGLE
17-across – Middle of target : BULLSEYE
19-across – Unusual : RARE
20-across – Personal protection : ARMOUR
21-across – Hypnotic state : TRANCE
22-across – Pertaining to a duke : DUCAL
23-across – Light wind : BREEZE
All Down Clues and Answers:
1-down – Range, area : COMPASS
2-down – Apart, in pieces : ASUNDER
3-down – Bet; theorise : SPECULATE
4-down – Heavenly nourishment : MANNA
5-down – Insubstantial : TRIVIAL
6-down – Cricketing extra : LEGBYE
11-down – Yeoman of the Guard; carnivore : BEEFEATER
13-down – Controversy, argument : POLEMIC
14-down – Rubbish, waste : GARBAGE
15-down – Otic pain : EARACHE
16-down – On ship : ABOARD
18-down – Cranium : SKULL
This crossword has in total 25 where 13 are across and 12 are down.