This crossword No. 13212 clues and answers were published on Wed 12 Sep 2012 and the puzzle can be visited by following The Guardian Quick Crossword No. 13212 link.
All Across Clues and Answers:
5-across – Potentially difficult : PROBLEMATIC
7-across – Yeah right! : ASIF
8-across – Member of an ancient Jewish sect : PHARISEE
9-across – Sleep for little children : BYEBYES
11-across – Low basin for washing private parts : BIDET
13-across – Negative sign — negative thing : MINUS
14-across – Supposedly smart stratagem : GIMMICK
16-across – Visiting dance venues : CLUBBING
17-across – Idiot — congeal : CLOT
18-across – Known globally : WORLDFAMOUS
All Down Clues and Answers:
1-down – Howling canine that hunts in packs : WOLF
2-down – Aquatic animal’s fin : FLIPPER
3-down – Daub : SMEAR
4-down – Endurance of hardship without complaint : STOICISM
5-down – Plant bearing catkins : PUSSYWILLOW
6-down – Smarty-boots? : CLEVERCLOGS
10-down – Name of the cars and boats in which Malcolm and Donald Campbell set land and water speed records : BLUEBIRD
12-down – Lightweight cotton cloth : GINGHAM
15-down – Gusty : WINDY
17-down – Chef : COOK
This crossword has in total 20 where 10 are across and 10 are down.