This crossword No. 14391 clues and answers were published on Thu 23 Jun 2016 and the puzzle can be visited by following The Guardian Quick Crossword No. 14391 link.
All Across Clues and Answers:
1-across – Poltergeist killer? : GHOSTBUSTER
9-across – European capital : AMSTERDAM
10-across – Exclamation of surprise : OOH
11-across – Chalice used by Jesus at the Last Supper : GRAIL
13-across – Medicinal aromatic root : GINSENG
14-across – See 8 : ZURICH
15-across – Boat driven by foot power : PEDALO
18-across – First or second when driving? : LOWGEAR
20-across – Long note : BREVE
21-across – Regret : RUE
22-across – Captain America, for example : SUPERHERO
24-across – Cheap : ADIMEADOZEN
All Down Clues and Answers:
2-down – Owns : HAS
3-down – Resin used in making varnish : SHELLAC
4-down – Rotter — something rotten! : BADEGG
5-down – Bolivar, de Montfort, Callow or Cowell? : SIMON
6-down – Clear : EXONERATE
7-down – Environmentally unfriendly cars? : GASGUZZLERS
8-down – Derogatory term for international bankers : THEGNOMESOF
12-down – Tip of an old projectile : ARROWHEAD
16-down – Legal stoppage of commerce : EMBARGO
17-down – Italian brandy : GRAPPA
19-down – Derby town : EPSOM
23-down – The First Lady? : EVE
This crossword has in total 24 where 12 are across and 12 are down.