This crossword No. 10345 clues and answers were published on Wed 02 Jul 2003 and the puzzle can be visited by following The Guardian Quick Crossword No. 10345 link.
All Across Clues and Answers:
1-across – One who ruins others’ enjoyment : SPOILSPORT
7-across – Teach : INSTRUCT
8-across – Ass – clown : FOOL
9-across – Mediterranean island : ELBA
10-across – Alarm suddenly : STARTLE
12-across – Social 1 across : PARTYPOOPER
14-across – Shake – quiver : TREMBLE
16-across – Apartment – on the level : FLAT
19-across – Object of worship : IDOL
20-across – Unconventional – like King Wenceslas! : BOHEMIAN
21-across – Nobleman : ARISTOCRAT
All Down Clues and Answers:
1-down – Feel intuitively : SENSE
2-down – Month : OCTOBER
3-down – Antisocial person : LOUT
4-down – Request, maybe signed by many : PETITION
5-down – Allude : REFER
6-down – Currency : DOLLAR
11-down – Prescribed course of study : SYLLABUS
12-down – Skit : PARODY
13-down – Compound of macromolecules : POLYMER
15-down – Type of tooth : MOLAR
17-down – It may be eaten : TOAST
18-down – Go away! : SHOO
This crossword has in total 23 where 11 are across and 12 are down.