This crossword No. 14865 clues and answers were published on Fri 29 Dec 2017 and the puzzle can be visited by following The Guardian Quick Crossword No. 14865 link.
All Across Clues and Answers:
1-across – Notorious : INFAMOUS
5-across – Highest stage of development : ACME
9-across – Small canoe with a light frame : KAYAK
10-across – Conjecture : SURMISE
11-across – Acceptable : SATISFACTORY
13-across – Rubbish : REFUSE
14-across – Imaginary ideal place : UTOPIA
17-across – Instrument for detecting small electric currents — mangrove et al : GALVANOMETER
20-across – Celestial phenomenon : ECLIPSE
21-across – Spotted scavenger : HYENA
22-across – Of that kind : SUCH
23-across – Persevere : KEEPATIT
All Down Clues and Answers:
1-down – Very black : INKY
2-down – Rugby position : FLYHALF
3-down – Be quick about it : MAKEITSNAPPY
4-down – Hazardous : UNSAFE
6-down – Cotton textile material : CHINO
7-down – Typical person : EVERYMAN
8-down – Forcibly assert authority : CRACKTHEWHIP
12-down – Advance : PROGRESS
15-down – Gift : PRESENT
16-down – Spinach-eating cartoon character : POPEYE
18-down – Fragrant shrub : LILAC
19-down – Slender pointed missile : DART
This crossword has in total 24 where 12 are across and 12 are down.