This crossword No. 15151 clues and answers were published on Wed 28 Nov 2018 and the puzzle can be visited by following The Guardian Quick Crossword No. 15151 link.
All Across Clues and Answers:
1-across – Diacritical mark over a vowel — fix cruel MC : CIRCUMFLEX
7-across – Person in charge of a lifeboat : COXSWAIN
8-across – Prosperous time — rumbling sound : BOOM
9-across – Affectedly dainty : TWEE
10-across – Large plover with a loud call — peewit : LAPWING
12-across – Ghost that makes strange noises and disorders furniture : POLTERGEIST
14-across – Cry — whale fat : BLUBBER
16-across – Egg : OVUM
19-across – List of food on offer : MENU
20-across – On which planes land : AIRFIELD
21-across – Reinforce : STRENGTHEN
All Down Clues and Answers:
1-down – Scottish smallholding : CROFT
2-down – Bertrand ___ , philosopher and mathematician, d. 1970 : RUSSELL
3-down – Mormon US state : UTAH
4-down – Spanish dance — a dong fan : FANDANGO
5-down – Nudging joint? : ELBOW
6-down – Hat — engine cover : BONNET
11-down – Power — advantage : LEVERAGE
12-down – Curtain rail concealer : PELMET
13-down – Complain bitterly : INVEIGH
15-down – Forthright — pointless : BLUNT
17-down – Capital of Lombardy : MILAN
18-down – Adult tadpole : FROG
This crossword has in total 23 where 11 are across and 12 are down.