1-across – Oil-rich seed type : SESAME

4-across – Exaggerate : OVERDO

8-across – Joining : UNION

9-across – Heavens to Betsy! : HOLYCOW

10-across – Vessel in battle : WARSHIP

11-across – Frame for wet clothes : AIRER

12-across – Grasping : RAPACIOUS

17-across – Person once inside,now outside : EXCON

19-across – Mobile infant : TODDLER

21-across – Quash : ABOLISH

22-across – Calmer coffee? : DECAF

23-across – Martial art : KUNGFU

24-across – Young swan : CYGNET

1-down – Harsh call : SQUAWK

2-down – Teaspoon? : STIRRER

3-down – Eat : MUNCH

5-down – Exploding mountain? : VOLCANO

6-down – Repeat : RECUR

7-down – Let’s move forward! : ONWARD

9-down – Playground game : HOPSCOTCH

13-down – RC leader : PONTIFF

14-down – Electronic circuit element : SILICON

15-down – Something said : REMARK

16-down – Gain : PROFIT

18-down – Sing softly : CROON

20-down – Pa : DADDY

1-across – Change : REVISE

4-across – Kind of nut : PECAN

7-across – Half a crotchet : QUAVER

8-across – Big gun : CANNON

9-across – Ululate – like a Marley bandmate? : WAIL

10-across – Always given similar roles : TYPECAST

12-across – Gifted : BRIGHTSPARK

17-across – Building block shade? : BRICKRED

19-across – Arrange in order : SORT

20-across – Corner of attic network? : COBWEB

21-across – Blow out,like sails : BILLOW

22-across – Cut through,leaving dust? : SAWED

23-across – Idolise : REVERE

1-down – Sharp sticks? : RHUBARB

2-down – Italian composer,d.1741 : VIVALDI

3-down – Patient carrier : STRETCHER

4-down – Aircraft : PLANE

5-down – Horse-man? : CENTAUR

6-down – Football game minutes,without injury time : NINETY

11-down – Spanish dance : PASODOBLE

13-down – Arc of seven colours : RAINBOW

14-down – Exonerate : ABSOLVE

15-down – Often slurred and off-key amateur singing? : KARAOKE

16-down – Old counter : ABACUS

18-down – Naked : KNEAD

1-across – Island group owned by Ecuador : GALAPAGOS

8-across – Snarl : GROWL

9-across – Disappearing remnant : VESTIGE

10-across – Believer in avoidance of war : PACIFIST

11-across – Punt : KICK

13-across – Lady giant : OGRESS

14-across – Gamine : ENIGMA

16-across – Wild event : ORGY

17-across – At __,with weapon threateningly poised : GUNPOINT

19-across – Boise boy? : IDAHOAN

20-across – Three : ETHER

21-across – House flower? : TUDORROSE

1-down – Swimmer in bowl? : GOLDFISH

2-down – Sumptuous : LAVISH

3-down – Upper-class : POSH

4-down – Inspiration : GUIDINGLIGHT

5-down – Raw dish of ground beef : STEAKTARTARE

6-down – Student of pharaohs and pyramids etc. : EGYPTOLOGIST

7-down – Steinway instrument? : CONCERTGRAND

12-down – Comprising a single unit of material : ONEPIECE

15-down – Board intended to be independent from government : QUANGO

18-down – Be mother? : POUR

1-across – Keeper’s feat : SAVE

3-across – Parlour game : CHARADES

9-across – Podium on which there may be a lectern : ROSTRUM

10-across – Tummy : BELLY

11-across – Coach – form of transport : TRAIN

12-across – Salad plant : ENDIVE

14-across – Guzzle greedily – from nosebag? : EATLIKEAHORSE

17-across – Terror : FRIGHT

19-across – Modish : SMART

22-across – Conclude : CEASE

23-across – Danseur : ASUNDER

24-across – NY borough : BROOKLYN

25-across – Desired result : GOAL

1-down – White wine and soda drink : SPRITZER

2-down – Landscape,e.g. : VISTA

4-down – Tidal multi-river mouth of Northern England : HUMBERESTUARY

5-down – Braid : RABID

6-down – Free : DELIVER

7-down – Bean protein : SOYA

8-down – Sultanate : BRUNEI

13-down – Of the chest : PECTORAL

15-down – Whirlwind : TORNADO

16-down – Stifle – keep secret : HUSHUP

18-down – It’s all __ to me : GREEK

20-down – Sound : AUDIO

21-down – Crust on skin : SCAB

1-across – Thrush relative : BLUEBIRD

5-across – Char : ARCH

9-across – Sayonara : ADIEU

10-across – Have a siesta? : LIEDOWN

11-across – Delicate : SOFTLYSOFTLY

13-across – Andean garment : PONCHO

14-across – Slowly : ADAGIO

17-across – Regeneration in the city : URBANRENEWAL

20-across – From one direction : EASTERN

21-across – Wedding cake surface? : ICING

22-across – White – post : PALE

23-across – Mariner : SEAFARER

1-down – Imbalanced opinion : BIAS

2-down – Startup company valued at over US$1 billion : UNICORN

3-down – Seeker of reward for capturing villain : BOUNTYHUNTER

4-down – Conveys : RELAYS

6-down – Torso : ROOST

7-down – Winnie the Pooh’s jar? : HONEYPOT

8-down – Inconceivable : BEYONDBELIEF

12-down – Smarten : SPRUCEUP

15-down – Windows fitter : GLAZIER

16-down – Cruel type : MEANIE

18-down – Bails : BASIL

19-down – Culture medium : AGAR