This crossword No. 10335 clues and answers were published on Fri 20 Jun 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10335 link.
All Across Clues and Answers:
1-across – Word with opposite meaning : ANTONYM
8-across – Come in when not wanted : INTRUDE
9-across – Very small amount : SMIDGEN
10-across – Cut glass : CRYSTAL
11-across – Skilled : ADEPT
13-across – Movement of a body of soldiers being reviewed : MARCHPAST
15-across – Living at the expense of the host organism : PARASITIC
18-across – Path eg of heavenly body : ORBIT
21-across – Devil – match! : LUCIFER
22-across – Wind : AIRFLOW
23-across – Hormone controlling sugar supply : INSULIN
24-across – Three-leaved plant : TREFOIL
All Down Clues and Answers:
1-down – On a ship : ATSEA
2-down – Clan : TRIBE
3-down – Emlyn Williams play : NIGHTMUSTFALL
4-down – Kitchen implement : MINCER
5-down – Keep on to the end : STAYTHECOURSE
6-down – Hill city in Pakistan : QUETTA
7-down – Piece of shot : PELLET
12-down – Opera star : DIVA
14-down – Indian dress : SARI
15-down – Wan : PALLID
16-down – Prejudice against people of different origin : RACISM
17-down – Despot : TYRANT
19-down – Bear in the Jungle Books : BALOO
20-down – Drier : TOWEL
This crossword has in total 26 where 12 are across and 14 are down.