This crossword No. 15484 clues and answers were published on Mon 23 Dec 2019 and the puzzle can be visited by following The Guardian Quick Crossword No. 15484 link.
All Across Clues and Answers:
1-across – Add on at the end : APPEND
4-across – Go faster, horsey! : GEEUP
7-across – Give birth to piglets : FARROW
8-across – Stylish : DAPPER
9-across – Disgusting waste matter : CRUD
10-across – Firmly tethered : ANCHORED
12-across – What holds the main microchips in a computer : MOTHERBOARD
17-across – Superior skill : ARTISTRY
19-across – Heavy dull sound : THUD
20-across – Petrol jelly used in flame-throwers : NAPALM
21-across – Supernatural : OCCULT
22-across – Sexually attractive? : TASTY
23-across – Vanquish : DEFEAT
All Down Clues and Answers:
1-down – A ragman : ANAGRAM
2-down – Gemstone — pre-do it : PERIDOT
3-down – Guardian seller? : NEWSAGENT
4-down – Diagram showing the relationship between variable quantities : GRAPH
5-down – Sovereign : EMPEROR
6-down – Ceremonial procession : PARADE
11-down – Place for keeping bits and bobs : CUBBYHOLE
13-down – Sea creature’s tentacles served as food : OCTOPUS
14-down – ‘The’, definitely : ARTICLE
15-down – Pair of similar things : DOUBLET
16-down – Hard dark-brown wood used furniture : WALNUT
18-down – With a smooth, gleaming surface : SILKY
This crossword has in total 25 where 13 are across and 12 are down.