This crossword No. 13821 clues and answers were published on Tue 26 Aug 2014 and the puzzle can be visited by following The Guardian Quick Crossword No. 13821 link.
All Across Clues and Answers:
1-across – Clump : TUFT
3-across – Extremely cruel : DIABOLIC
9-across – Adult : GROWNUP
10-across – Without benefit of clergy? : UNWED
11-across – Light cloth cover for furniture : THROW
12-across – Narrow strip of fabric : RIBBON
14-across – Bubbling — vivacity : EFFERVESCENCE
17-across – On the way out : OLDHAT
19-across – Dishonestly obtained : DODGY
22-across – Pseudonym : ALIAS
23-across – Cab lane : BALANCE
24-across – Allergy caused by pollen, dust etc : HAYFEVER
25-across – Water source : WELL
All Down Clues and Answers:
1-down – In unison : TOGETHER
2-down – Dumbfound : FLOOR
4-down – Not discernible by the senses : IMPERCEPTIBLE
5-down – Brief commendatory advertisement : BLURB
6-down – Inside information : LOWDOWN
7-down – End piece written for a musical work : CODA
8-down – Reply : ANSWER
13-down – OK : VERYWELL
15-down – Cook — distort : FALSIFY
16-down – Embrace : CUDDLE
18-down – Rapidity : HASTE
20-down – Obtuse — impenetrable : DENSE
21-down – Spondulicks : CASH
This crossword has in total 26 where 13 are across and 13 are down.