This crossword No. 15504 clues and answers were published on Thu 16 Jan 2020 and the puzzle can be visited by following The Guardian Quick Crossword No. 15504 link.
All Across Clues and Answers:
1-across – Formal male evening attire : DINNERJACKET
9-across – Take part in a contest : ENTER
10-across – Unvarying : UNIFORM
11-across – Tatters : RAGS
12-across – Fleet of small ships : FLOTILLA
14-across – Notified of danger : WARNED
15-across – Very hot and dry : TORRID
18-across – Refutation : REBUTTAL
20-across – Showing excessive self-pride : SMUG
22-across – Senselessness : INANITY
23-across – High altitude clouds forming ‘mare’s tails’ : CIRRI
24-across – One who travels widely : GLOBETROTTER
All Down Clues and Answers:
2-down – Whole number : INTEGER
3-down – Police spy : NARK
4-down – Russian currency : ROUBLE
5-down – Air travel : AVIATION
6-down – Hillock : KNOLL
7-down – Repeatedly : TIMEANDAGAIN
8-down – Emotionally uplifting : HEARTWARMING
13-down – Windsor princess, b. 1988 : BEATRICE
16-down – Penitence : REMORSE
17-down – Hungarian : MAGYAR
19-down – Well done! : BRAVO
21-down – Eg Aberdonian : SCOT
This crossword has in total 24 where 12 are across and 12 are down.