No 13804, Saturday 04 Mar 2023, WrdPlougher

ACROSS

1   Every writer ridiculed, debarred, essentially upright (13) PERPENDICULAR {PER}{PEN}{riDICULer}{debARred}

8   Advance in leaps, bounds, giant prances, each a step further than the last (4) LOAN {Le..s}{bOu..s}{giAnt}{praNces}

9   Friend of Eric bored by cricket match daily (10) PERIODICAL {P{ERI{ODI}C}AL}

10 Oddly, Goan first to taste French water and cake (6) GATEAU {GoAn}{Ta..e}{EAU}

11 Alarm initially rung out in city signalling an earthquake, say (8) CALAMITY {C{ALArM}ITY

12 Grant nod principally for UN's first debt instrument (9) ACCORDION {ACCORD}{IO(-u+n} 

14 Play the lead in & as Tarzan (4) STAR [T]

15 Neat coloured fabric, ends trimmed (4) TIDY {TIe DYe} 

16 Magnify complete audiovisual for (for example) ... (9) AGGRAVATE AGGR(-eg+av)AVATE

20 ... slide show, Powerpoint - your last two choices, in-depth and new (8) DOWNTURN {DO}{W}{p...iNT{yoUR}{N} Depth/W?

21 Energy firm second to secure U.S. guarantee for powerful contractor? (6) BICEPS {BIC}{sEc..e}PS U.S. Guarantee/PS?

23 Treated ulcer vomit using Archimedes' method? (10) VOLUMETRIC*

24 What a groom might say, essentially beholding model (4) IDOL {I DO}{b..oLd..g}

25 Finger-snapper? (7,6) DIGITAL CAMERA Is this supposed to be an &lit?

DOWN

1   Dull photograph of American civil rights activist (7) PROSAIC {P{ROSA}IC}

2   Constitutional ambit (5) RANGE [CD]

3   Fair peacekeeper Democrat's voice (7) EXPOUND {EXPO}{UN}{D}

4   Leader in performance, etc., or ringleader (8-7)  DIRECTOR-GENERAL*

5   Heading to Champions' Trophy's final with two ducks and two fifties, like former India captain might? (6) COOLLY {Ch...s}{00}{LL}{t...hY} 

6   Recurring theme in meandering movie Tilt (9) LEITMOTIV*

7   Priest going around a chamber, generating energy? (7) REACTOR {RE{A}CTOR} 

13 Letters from golden burgeoning German city (9) OLDENBURG [T]

15 Fool briefly mentioned by Spooner twice (7) TWOFOLD (~fool told to two fold)

17 A Jewish girl talking about Rabbi essentially replacing head of religious centre (7) REBECCA {RE}{(-m+b)BECCA}

18 Vegetable starch 'generally' hated by Tintin's friend Alcazar (7)  TAPIOCA [CD/GK]

19 Clear browser within 40 days before Easter (6) LUCENT {L{UC}ENT}

22 Upright Arab ruler first to condemn wrongdoing (5) CRIME {EMIR}{Co...n}<= 

Reference List

Water in French = EAU, Audiovisual = AV, New = N, Democrat = D