1-across – Succession in which the first-born inherits all : PRIMOGENITURE

8-across – Sharp pain/emotion : PANG

9-across – Person experiencing memory loss : AMNESIAC

10-across – Improve : AMELIORATE

12-across – Moneylender : USURER

14-across – Former Spanish currency : PESETA

15-across – The nostalgic past : YESTERYEAR

19-across – Sleep-inducing drug : SEDATIVE

20-across – Initial stake : ANTE

21-across – Term formerly used to describe dyslexia : WORDBLINDNESS

2-down – Right at the back : REARMOST

3-down – Important or powerful person : MOGUL

4-down – Appealing/attractive quality : GLAMOUR

5-down – Japanese martial arts practitioner : NINJA

6-down – Familiar name for elephants : TUSKERS

7-down – Wander : ROAM

11-down – Mythical submarine lost city : ATLANTIS

13-down – Name for a fox : REYNARD

14-down – Before adolescence : PRETEEN

16-down – Upset liquid : SPILL

17-down – Long for,crave : YEARN

18-down – Constitutionally reject,prohibit : VETO

1-across – Approximate principle : RULEOFTHUMB

9-across – Vanquisher : CONQUEROR

10-across – Jolt,jerk : JAR

11-across – Group of nine : NONET

13-across – Confection,sweet : GUMDROP

14-across – Car’s windscreen cleaners : WIPERS

15-across – Oil used in cosmetics : JOJOBA

18-across – Heaven-like : ELYSIAN

20-across – Chastise : SCOLD

21-across – Indian state : GOA

22-across – French author of Nana : EMILEZOLA

24-across – Womaniser : PHILANDERER

2-down – Vase : URN

3-down – Imaginary line around the earth : EQUATOR

4-down – Precede : FOREGO

5-down – Seraglio : HAREM

6-down – Household’s chief steward : MAJORDOMO

7-down – Recognize,accept : ACKNOWLEDGE

8-down – Before lunch : PREPRANDIAL

12-down – Infant’s skin complaint : NAPPYRASH

16-down – Indecent,smutty : OBSCENE

17-down – Junior naval officer : ENSIGN

19-down – Optimal : IDEAL

23-down – Poem : ODE

1-across – Payment to secure goods : DEPOSIT

8-across – Make a fuss : AGITATE

9-across – Cause continual trouble to : BEDEVIL

10-across – Bacterium : MICROBE

11-across – Gather : GLEAN

13-across – Tsunami : TIDALWAVE

15-across – Mountainous region of north-east China : MANCHURIA

18-across – Aristocrat : NOBLE

21-across – Belittle : DETRACT

22-across – : TROOPER

23-across – Funeral procession : CORTEGE

24-across – Remains : RESIDUE

1-down – Remove errors from computer : DEBUG

2-down – Priest or chaplain : PADRE

3-down – Extreme joy : SEVENTHHEAVEN

4-down – Source of Jewish civil and ceremonial law : TALMUD

5-down – Variegated : MISCELLANEOUS

6-down – Hindu or Buddhist temple : PAGODA

7-down – Withdraw formally from a federation : SECEDE

12-down – Materiel issued from a volcano etc. : LAVA

14-down – The meat of a young calf : VEAL

15-down – Doctor : MEDICO

16-down – Essential characteristics : NATURE

17-down – : ROTTER

19-down – Creature walking on two legs : BIPED

20-down – Strange,weird : EERIE

1-across – Sturdy : ROBUST

4-across – Means of support/reassurance : CRUTCH

8-across – Decoration,furnishings : DECOR

9-across – Child mind : BABYSIT

10-across – Place of further education : COLLEGE

11-across – Immature form of an insect : LARVA

12-across – Burial place : GRAVEYARD

17-across – Aroused from sleep : AWAKE

19-across – Young male wedding attendant : PAGEBOY

21-across – Careless error : BLUNDER

22-across – Faint : SWOON

23-across – Watery-eyed : RHEUMY

24-across – Pamper : COSSET

1-down – Lessen : REDUCE

2-down – Accumulation of undone work : BACKLOG

3-down – Unrestrained binge : SPREE

5-down – German measles : RUBELLA

6-down – Stunning device : TASER

7-down – Contracted assassin : HITMAN

9-down – Apiarist : BEEKEEPER

13-down – Single item for meeting : AGENDUM

14-down – Doubtful : DUBIOUS

15-down – Convexity of a road : CAMBER

16-down – Young swan : CYGNET

18-down – Divert,entertain : AMUSE

20-down – Enthusiasm : GUSTO

1-across – Arrest : APPREHEND

8-across – Funeral vigil : WAKE

9-across – Punish : CASTIGATE

10-across – Leave out : OMIT

13-across – Bathroom unit : BIDET

15-across – Hateful : ODIOUS

16-across – Din : RACKET

17-across – Form of igneous rock : BASALT

19-across – Small seal in a ring : SIGNET

20-across – Unsophisticated country person : YOKEL

21-across – Hard wood : TEAK

24-across – Opponent : ADVERSARY

25-across – So be it : AMEN

26-across – Soldier’s shelter : SENTRYBOX

2-down – Scheme : PLAN

3-down – List of tasks to be performed : ROTA

4-down – Scottish dish : HAGGIS

5-down – Casual conversation : NATTER

6-down – Autumnal agrarian activity : HAYMAKING

7-down – Impoverished : DESTITUTE

11-down – Concealed danger : BOOBYTRAP

12-down – Deformed : MISSHAPEN

13-down – Cow,browbeat : BULLY

14-down – Native of Sri Lanka : TAMIL

18-down – Take first steps : TODDLE

19-down – Choice : SELECT

22-down – Catch sight of : ESPY

23-down – Therefore : ERGO