This crossword No. 15817 clues and answers were published on Sat 16 Jan 2021 and the puzzle can be visited by following The Guardian Quick Crossword No. 15817 link.
All Across Clues and Answers:
1-across – Dissolute : DEGENERATE
7-across – Wholesome — well-groomed : CLEANCUT
8-across – Run briskly : TROT
9-across – Catch on belatedly : TWIG
10-across – Significant : TELLING
12-across – Pragmatic guideline : RULEOFTHUMB
14-across – Fun activity : PASTIME
16-across – Rewrite : EDIT
19-across – Carbonated drink : SODA
20-across – Punters may pay for their advice : TIPSTERS
21-across – Poisonous New World spider : BLACKWIDOW
All Down Clues and Answers:
1-down – Glazed white and blue earthenware : DELFT
2-down – Lacking any warmth or friendliness : GLACIAL
3-down – Small cut : NICK
4-down – Goes back : RETREATS
5-down – Completely wreck — the lot : TOTAL
6-down – Socialise : HOBNOB
11-down – Superficial : COSMETIC
12-down – Argue : REASON
13-down – Modernised : UPDATED
15-down – Follow — path : TRAIL
17-down – Light cloth covering for furniture : THROW
18-down – Vomit : SPEW
This crossword has in total 23 where 11 are across and 12 are down.