Across
It loves most precipitous hill starts (5)
Pacific islands object about having to accept English ways (9)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘having to accept’) of E (‘English’) plus LANES (‘ways’) in MIA, a reversal (‘about’) of AIM (‘object’).
Revolutionary phase – article gets time wrong (3,6)
I haven't cracked this one yet — but Fifteensquared have:
A charade of THE (definite ‘article’) plus T (‘time’) plus ERROR (‘wrong’), for the most extreme period of the French Revolution, in full the Reign of Terror, but in French la Terreur .
Unlikely Oscar for ‘Killers Working Together’ (5)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘unlikely’) of ‘Oscar’.
Attackers of Republican supporters (7)
Nothing gets over pass ahead of northern city (7)
I haven't cracked this one yet — but Fifteensquared have:
A charade of LIN, a reversal (‘gets over’) of NIL (‘nothing’) plus COL (‘pass’) plus (‘ahead of’) N (‘northern’).
Secret clubs don’t prevail (5)
I haven't cracked this one yet — but Fifteensquared have:
A charade of C (‘clubs’ e.g. in bridge game summaries) plus LOSE (‘don’t prevail’).
Statecraft (3)
Queen’s favourite element: congress (5)
Moon-like ring associated with tribal revelry (7)
I haven't cracked this one yet — but Fifteensquared have:
A charade of O (‘ring’) plus RBITAL, an anagram (‘revelry’) of ‘tribal’.
Thumb prodded into awkward person in government department (7)
Republic locks king out – ‘It’s over!’ (5)
Bigwig hides underwear (surprise!) right in instrument (9)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘hides … in’) of BRA (‘underwear’) plus HA! (‘surprise!’) plus R (‘right’) in VIP (‘bigwig’), for an alternative name for the vibraphone..
Debauched feature of corgi a sticking-point (9)
Southern food plants (5)
I haven't cracked this one yet — but Fifteensquared have:
A charade of S (‘southern’) plus PIES (‘food’)
Down
Military officer guarding extra-large stray (4)
One’s favourite island has vitality that’s contagious (8)
I haven't cracked this one yet — but Fifteensquared have:
A charade of I’M (‘one’s) plus PET (‘favourite’) plus I (‘island’) plus GO (‘vitality’), for a bacterial skin infection.
Old-style, you extracted teeth (not top) (4)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘extracted’) of ‘[t]eeth’ minus its first letter (‘not top’).
Continent holding back world money – delightful stuff! (8)
A pull-out includes recipe, more than one in fact (6)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘includes’) of R (‘recipe’) in PLUAL, an anagram (-‘out’) of ‘a pull’-.
Meetings to resist cutting measures (10)
Foreign spy ring confiscates church film (6)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘confiscates’) of CH (‘church’) in PSY, an anagram (‘foreign’) of ‘spy’ plus O (‘ring’).
‘Aspects of vice’ lectures (4)
Toulouse-Lautrec took content that’s oddly-numbered (5)
Airline holds suitable IC cert. for a type of energy (10)
Informal footwear on one backward holiday island (5)
I haven't cracked this one yet — but Fifteensquared have:
A reversal (‘backward’) of SOX (socks, ‘informal footwear’) plus AN (‘one’).
Give up rugby player as a sweetener (8)
Irregular Roman senate and people with nothing for queen on acid – deplorable (8)
Watershed follows start of broadcast link (6)
I haven't cracked this one yet — but Fifteensquared have:
A charade of B (‘start of B roadcast’) plus RIDGE (‘watershed’).
Live broadcast attempt is heartless frivolity (6)
I haven't cracked this one yet — but Fifteensquared have:
A charade of LEVI, an anagram (‘broadcast’) of ‘live’, plus T[r]Y (‘attempt’) minus its middle letter (‘is heartless’).
Peg trembled without a top (4)
Special lifts to be installed in hospital recess (4)
Society cuts bank job (4)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘cuts’) of S (‘society’) in POT (a word with many meanings, the nearest to ‘bank’ being the money in a poker game)
Type letters or click words in the clue