Across
Picnic area ruined with exceptional rain falling? It can make you sick (6)
I haven't cracked this one yet — but Fifteensquared have:
definition: ipecac syrup [wiki] was used to purge poison from the body by inducing vomiting anagram/”ruined” of (Picnic area)*, minus anagram/”exceptional” of (rain)*
Flower masking very soft body part (6)
Unadorned crusading king? Hard to miss warrior's belt (7)
Bands in balls aboard ship (7)
Cathedral staff opposed accepting dean's ultimate authority (7,3,5)
I haven't cracked this one yet — but Fifteensquared have:
CHAPTER=a group in a religious community=”Cathedral staff” + ADVERSE=”opposed”, around ultimate/last letter of dea-N
Show's furniture item about to be disposed of (4)
I haven't cracked this one yet — but Fifteensquared have:
definition: Hair, the musical ‘show’ [wiki] c -HAIR=”furniture item”, with c (circa, “about”) removed
See winter traveller, refreshed, glow and push on (10)
I haven't cracked this one yet — but Fifteensquared have:
anagram/”refreshed” of (glow push on)* I think “See” means ‘see [definition] in [wordplay]’, rather than being part of the definition itself
Frolicking can end soon — there's very little time (10)
Exam in which a learner gets nothing right to start with (4)
I haven't cracked this one yet — but Fifteensquared have:
A L (“ a L-earner”), with O=”nothing” + R (right) at the “start”
Very significant hater may emerge thus (5-10)
Musical part that oboe has, but not violin (7)
I haven't cracked this one yet — but Fifteensquared have:
definition: a part in a duet the word ‘oboe’ has a ‘SECOND [letter] O’, but the word ‘violin’ only has a single letter o
Threesome laid into Irishman, defender of country's honour (7)
Chemical drugs containing poisonous element (6)
I haven't cracked this one yet — but Fifteensquared have:
POT and H (cannabis and heroin)=”drugs”, around AS (chemical symbol for arsenic, “poisonous element”)
Hard on the outside, hard on the inside nevertheless (6)
Down
Chum (boy) one accompanying a knight in classical style (9)
Collect and organise copper to meet judge and minister (6)
Like a famous orator (Conservative), sarcastic about church (9)
I haven't cracked this one yet — but Fifteensquared have:
definition: relating to Cicero [wiki] C (Conservative) + IRONIC=”sarcastic”, around CE (Church of England)
Mounting wickedness before a new month (5)
Football team left with final message (4,4)
See human being half cut, one walking in a certain way (5)
Supporters outside hotel with financial inducements (11)
I haven't cracked this one yet — but Fifteensquared have:
definition: bribes BACKERS=”Supporters”, around H (hotel) + AND=”with”
Be very angry, then frivolous — change for the better? (3,3,5)
What hopeful snooker player did — lost form, dramatically? (4,2,3)
I haven't cracked this one yet — but Fifteensquared have:
a snooker player would ‘go to pot’ a snooker ball in hope of scoring points
Exalting university with acclaim (9)
In haste, struggling with a muscular problem (8)
Bird's eggs sat on by male (6)
Minister not right but is on the right side! (5)
House companion storing old drink (5)
Type letters or click words in the clue