Plenty to test your wits in here
Across
1 Defender found round rear of park changed opinion BACKTRACKED
BACK defender [par]K in TRACED found
12 Sick sailor aboard naval vessel gets frothy potion SILLABUB
ILL sick AB sailor in SUB naval vessel
13 Suggesting name not so weak, powerless NOUNY
NO not so [p]UNY weak
14 Over half of neighbourhood appearing for actor IRONS Jeremy
[env]IRONS
15 Shakespeare’s obliged with act involving baronet DEBTED
BT baronet in DEED act
16 It’s a line I see in special script ITALIC
IT A L line IC I see
17 Run from hug in disgrace as before EMBACE
R run from EMBRACE hug
19 Variety of citron tree, home to orange juice initially being knocked back
RETROJECTION OJ (orange juice initially) in (CITRON TREE HOME)*
20 Revolutionary artist with demand for clock system STANDARD TIME
(ARTIST DEMAND)*
25 Marine at sea with other service personnel AIRMEN (MARINE)*
27 Local quake with a slowish motion WAMBLE W with AMBLE easy pace
28 You will have injected fashionable stimulant THEINE
IN fashionable in THEE you
29 Translation recalled original language, mostly advanced ITALA (Bible)
LATI[n]< original language recalled A advanced
30 Hymn-writer’s power? WATTS dd (Isaac Watts)
31 Standard particle say, found in sodium carbonate NEGATRON
EG say in NA sodium TRON carbonate
32 Rascal feels aroused having lot of sex in daydream LOSE ONESELF
SE[x] in LOON rascal (FEELS)*
Down
2 Nothing in excellent article upset monks ACOEMETI
O nothing in ACE excellent ITEM< article upset
3 Curtailed compartment blocked by hard unpickable lock CHUBB
H hard in CUBB[y] compartment
4 Philosopher’s attitude, not one having weight overseas KANTAR
KANT philosopher AIR attitude minus I
5 One on board travelled with woman, going to cut-down club in port
RIO DE JANEIRO I in RODE one in travelled JANE woman IRO[n] club cut
6 Continuously repeating the first letter? ALLITERATION “recurrence of the same initial sound (not necessarily letter) in words in close succession” (Chambers)
7 Military boss comes round drunk, like me in France CLITIC (in linguistics ‘me’ in French is an example) LIT drunk in CIC Commander in Chief
8 King’s ornamental headgear, with twisting snake KARAIT
K king TIARA< twisted ornamental headgear
9 Part of brain upset by a source of disease EBOLA LOBE< A
10 Indecent behaviour in most of resort captured in outdoor filming?
OBSCENENESS NES[t] resort in OB outside broadcast SCENES
11 Farming technique with hazy red sun due UNDERSOWING
(RED SUN)* OWING due
18 Crack up, being no longer united in the end GO MENTAL
MENT united (obsolete) in GOAL end
21 Maths symbols capture core of students NABLAS NAB capture [c]LAS[s]
22 Expand muscle that’s in decline DILATE
LAT latissimus dorsi in DIE decline
23 Tracks studies linked to Troy TREADS T troy READS studies
24 I’m a shy person occupying one’s mind IMAGO
26 Difficult situation involving the Pope’s girdle MITRE T the in MIRE problem
( )* = anagram [ ] = omit < = reverse dd = double definition
definition part of clue underlined
I notice you don’t have an explanation of 24dn, which I assume involves both SHY and GO meaning an attempt.