This crossword No. 15167 clues and answers were published on Mon 17 Dec 2018 and the puzzle can be visited by following The Guardian Quick Crossword No. 15167 link.
All Across Clues and Answers:
1-across – Profound shift in outlook : CHANGEOFHEART
8-across – Occasion for buying at reduced prices : SALE
9-across – Poisonous fungus — date chap : DEATHCAP
10-across – Animal like a crab : CRUSTACEAN
12-across – Loudness : VOLUME
14-across – Cries of approval : CHEERS
15-across – Ardent supporter : ENTHUSIAST
19-across – Tantrum : HISSYFIT
20-across – Flower associated with funerals : LILY
21-across – When all else has failed : ASALASTRESORT
All Down Clues and Answers:
2-down – Clearance : HEADROOM
3-down – Necessitates : NEEDS
4-down – Final stages of a chess match : ENDGAME
5-down – Small flat scale : FLAKE
6-down – Make better : ENHANCE
7-down – Study for a degree : READ
11-down – Unarmed combatant : WRESTLER
13-down – Let us in : UTENSIL
14-down – Untidiness : CLUTTER
16-down – Clumps : TUFTS
17-down – Wastes time : IDLES
18-down – Croaks : DIES
This crossword has in total 22 where 10 are across and 12 are down.