This crossword No. 821 clues and answers were published on Sun 12 Jun 2011 and the puzzle can be visited by following The Guardian Speedy Crossword No. 821 link.
All Across Clues and Answers:
1-across – Lose enthusiasm : RUNOUTOFSTEAM
8-across – Nigerian tribesman : IBO
9-across – Kind of plantation : TEAGARDEN
10-across – Without noise : SILENTLY
11-across – Questionable : IFFY
13-across – Crib : CRADLE
14-across – Systematic way of doing something : METHOD
16-across – Female relative : AUNT
17-across – Reckless and impetuous person : TEARAWAY
20-across – Small thin sausage : CHIPOLATA
21-across – Drowned coastal valley : RIA
22-across – Bang on time : RIGHTONTHEDOT
All Down Clues and Answers:
1-down – Checks : REINS
2-down – Unattractive : NOOILPAINTING
3-down – Extricate : UNTANGLE
4-down – Seer : ORACLE
5-down – Smelting or coal waste : SLAG
6-down – Unpleasant or disastrous destiny : ENDOFTHEWORLD
7-down – Well-to-do : MONEYED
12-down – Rebuke or criticism : REPROACH
13-down – English poet : CHAUCER
15-down – Take into confinement : DETAIN
18-down – Leavening agent in bread-making : YEAST
19-down – Propel through the air : LOFT
This crossword has in total 24 where 12 are across and 12 are down.