This crossword No. 10129 clues and answers were published on Mon 21 Oct 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 10129 link.
All Across Clues and Answers:
1-across – Extremely obstinate : PIGHEADED
8-across – Despise : SPURN
9-across – Teaching : TUITION
10-across – Feel authentic : RINGTRUE
11-across – Computing unit : BYTE
13-across – Papal ambassador : NUNCIO
14-across – Existing in reality : ACTUAL
16-across – : MEWS
17-across – Damned : ACCURSED
19-across – Audience’s expression of disapproval : CATCALL
20-across – Rubbish – water in boat : BILGE
21-across – Municipal official : LORDMAYOR
All Down Clues and Answers:
1-down – Plain toy : PONYTAIL
2-down – Clear off! – escape : GETOUT
3-down – Wicked : EVIL
4-down – Don’t get the professionals in! : DOITYOURSELF
5-down – Servers of school meals : DINNERLADIES
6-down – Very large : ASTRONOMICAL
7-down – Supply from tap or stream : RUNNINGWATER
12-down – Brush : SCRUBBER
15-down – Isles off Cornwall : SCILLY
18-down – Agricultural unit : FARM
This crossword has in total 22 where 12 are across and 10 are down.