Across
Spiteful university’s pursuing college (amongst seven) (7)
I haven't cracked this one yet — but Fifteensquared have:
OU'S (O-pen U-niversity'S), after C (college) inside VII ("seven" in Roman numerals)
One taking off is evasive about source of thrust, invoking power (7)
I haven't cracked this one yet — but Fifteensquared have:
in definition: 'take off' meaning to mimic COY="evasive" plus CA (Latin circa , "about") plus T-hrust; and around P (power)
Lorry, one caught departing in cold (5)
Harass or strain in pursuit of naughty child (9)
Logical anaesthetic used in proportionate quantity (8,6)
Bird not taking wing, lodging in familiar heather (4)
Collection of dried plants in Italian port — last to be confused about that (8)
Papers covering union conference’s opening often misrepresented it, on reflection (8)
I haven't cracked this one yet — but Fifteensquared have:
definition: pieces of paper thrown at a wedding/"union" opening letter to C-onference, plus anagram/"misrepresented" of (often)*, plus reversal/"on reflection" of IT
A model omitting old part of church (4)
I haven't cracked this one yet — but Fifteensquared have:
A, plus P-o-SE="model" minus o for "old"
Extra obstacle for motorists is betrayal (6-8)
I haven't cracked this one yet — but Fifteensquared have:
can also be read as describing a second/'extra' road crossing as an "obstacle for motorists"
Ordinary chap’s reduced list, including fuse to be put back (6,3)
I haven't cracked this one yet — but Fifteensquared have:
definition: 'little man' used to describe e.g an underdog going up against the establishment LITAN-[y]="reduced list", around MELT="fuse" reversed/"put back"
Still time to move east in Bury (5)
Item of crop initially sold on eBay, controversially (3,4)
I haven't cracked this one yet — but Fifteensquared have:
S-old, plus anagram/"controversially" of (on eBay)*
Home found in a well — pardon? (7)
Down
Key not offering opening to this source of medicine? (4)
Small-scale business upholding international trade treaty in countryside working (7,8)
I haven't cracked this one yet — but Fifteensquared have:
GATT reversed and included ('upheld' / 'up' and 'held') inside anagram/"working" of (countryside)* GATT: General Agreement on Tariffs and Trade, "international trade treaty"
Greek character brought in ordinary flower (6)
Lean news after one's invested in broadcaster (6)
I haven't cracked this one yet — but Fifteensquared have:
NN after I="one", inside SKY=broadcasting company N for 'new', so two Ns for 'new-s'
With domes, as indicated around Italian river and city (8)
I haven't cracked this one yet — but Fifteensquared have:
for definition: a cupola is a dome, with plural cupolae, and with a related adjective cupolad or cupolaed CUED="indicated" around: PO="Italian river" plus LA (Los Angeles, "city")
Bold Latin city is unsettling (8)
More than one dog moves awkwardly, probing in places, misguidedly (7,8)
I haven't cracked this one yet — but Fifteensquared have:
for definition: a dog breed named after Clumber Park in Nottinghamshire LUMBERS="moves awkwardly" inside/"probing" anagram/"misguidedly" of (in places)*
Sort of wave presented at cup match in decisive moment (10)
Reptiles capturing imaginary bird in fake islands around France? (10)
I haven't cracked this one yet — but Fifteensquared have:
ROC="imaginary bird" in COD="fake" plus ILES=îles="islands" in French
Pound payment up front: squander and be unhappy (4,4)
Criticism most significant, dismissing one crude drawing (8)
I haven't cracked this one yet — but Fifteensquared have:
STICK="Criticism", plus MA-i-N="most significant" minus i="one"
Organ part not primarily observed in heart area (6)
I haven't cracked this one yet — but Fifteensquared have:
definition: part of the eye N-ot, inside CORE="heart" plus A (area)
Grant, going by unclothed, receiving ultimate in catcalling (6)
I haven't cracked this one yet — but Fifteensquared have:
[p]-ASSIN-[g]="going by" with its outer letters removed/"unclothed", around catcallin-G
Time to nip in for one holiday (4)
Type letters or click words in the clue