This crossword No. 14236 clues and answers were published on Thu 24 Dec 2015 and the puzzle can be visited by following The Guardian Quick Crossword No. 14236 link.
All Across Clues and Answers:
1-across – Thracian who led the 73 BC slave revolt against Rome : SPARTACUS
8-across – Heraldic blue : AZURE
9-across – Pungent gas : AMMONIA
10-across – Had a general chat : NATTERED
11-across – Engine — nuts : LOCO
13-across – Small piece of bacon used in cooking : LARDON
14-across – Chat : CONFAB
16-across – Highland dance : REEL
17-across – Supplementary part : APPENDIX
19-across – Get more buyers than the competition : OUTSELL
20-across – Large sea : OCEAN
21-across – Informal group musical activity : SINGALONG
All Down Clues and Answers:
1-down – Bony frame : SKELETON
2-down – Shrub with brightly coloured flowers : AZALEA
3-down – Docile : TAME
4-down – Troops regarded as expendable? : CANNONFODDER
5-down – Sparring with oneself? : SHADOWBOXING
6-down – Egotistic : VAINGLORIOUS
7-down – Broken statue : BUSTERKEATON
12-down – Romantic tune : LOVESONG
15-down – Greek god of light and poetry : APOLLO
18-down – Salty goat or sheep milk cheese : FETA
This crossword has in total 22 where 12 are across and 10 are down.