No 12476, Tuesday 20 Nov 2018, Buzzer

ACROSS
6   Afraid Lost Diadem's hiding a bit of You-Know-Who (8) DISMAYED {DISMA{Yo...o}ED*}
9   Tea and sympathy at first for couples (6) CHAINS {CHAI}{'N}{Sy...y}
10 Favourite local denizen of Europe (4) FINN {F}{INN}
11 Shining one going off like a signal when stopping (5,5) BRAKE LIGHT {BR{LIKE+A}*iGHT} Semi&lit
12 Word for silence that's anagram of itself! (6) STIFLE*
14 Opposed to guards trashing half of island (7) ANTIGUA {ANTI}{GUArds}
15 Being convivial, to some downright silly (2,4,5,4) ON GOOD TERMS WITH*
18 Not oddly superb in ring, one at the receiving end of stick (3,4) CUE BALL {C{sUpErB}ALL}
20 Happy and steady runs for good solver (6) JOYOUS {JO(-g+you)YOUS}
22 Fashionable diva greets with jumper in a rock concert (5-5) STAGE-DIVER*

23 Way indifference is shown by not taking sides (4) PATH aPATHy
24 Tries Ecstasy — it transports people into another world (6) HEARSE {HEARS}{E}
25 Charity club member on-air at orphanage overwhelmed on reflection (8) ROTARIAN [T<=]

DOWN
1   'Ladies only' sign? (4) OMEN {O}{MEN}
2   Foodstuff be dreary to bake (3,5) RYE BREAD*
3   Not say no to say except (6) ACCEPT (~except)
4   Speaking out in Latin, a habit that is reducing (6,4) TAKING AWAY {TAlKING}{A}{WAY}
5   As a whole caught man red-handed (2,3,3) IN THE ACT {INT{HE}ACT}
7   Stupid one. Drinking Iodine (5) IDIOT {1}{D{I}OT} . = dot
8   Mudra — wave I love ritualistically covered in mask (4,1,4,4) DRAW A VEIL OVER [T]
13 Wedding helper will for e.g. cast around roses primarily (6,4) FLOWER GIRL {WILL+FOR+EG}* over {Ro..s}
16 New and cool Bond's fine points (8) NICETIES {N}{ICE}{TIES}
17 More than half coming of age (8) MAJORITY [DD]
19 Article depicted to make name for a man (6) ANDREW {AN}{DREW}
21 Fanatic, unorthodox ritual, one needing sacrifice (5) ULTRA RiTUAL*
23 A grand benefit (4) PERK {PER}{K}

GRID