This crossword No. 840 clues and answers were published on Sun 23 Oct 2011 and the puzzle can be visited by following The Guardian Speedy Crossword No. 840 link.
All Across Clues and Answers:
1-across – Newly coined word : NEOLOGISM
8-across – Custom : HABIT
9-across – Very short hair style : CREWCUT
10-across – Oratory : RHETORIC
11-across – Accurate : TRUE
13-across – Breeding ground : HOTBED
14-across – Emotional craving : LIBIDO
16-across – Assert : AVER
17-across – Devilment : MISCHIEF
19-across – Disagreement : DISCORD
20-across – Memento : RELIC
21-across – Unequalled : NONPAREIL
All Down Clues and Answers:
1-down – Major constituent of air : NITROGEN
2-down – Flowering plant : ORCHID
3-down – Abide by : OBEY
4-down – Beyond correction : INCORRIGIBLE
5-down – Emotionless : MATTEROFFACT
6-down – Long clay pipe : CHURCHWARDEN
7-down – Example typifying a principle : OBJECTLESSON
12-down – Intuitive rather than cerebral : VISCERAL
15-down – Corset : GIRDLE
18-down – Hindu discipline : YOGA
This crossword has in total 22 where 12 are across and 10 are down.