Across
Messy American students OTT? Time to be quiet (3,4,3,4)
Very pleasant detailed figure in computer game (5)
Enterprise spacecraft is a vessel with holes in it (8)
Person ridiculing authoritarian approach, but not loudly (7)
I haven't cracked this one yet — but Fifteensquared have:
IRON FIST less F (forte, loudly)
Conservative greeting opponent, a red (7)
Bread is mine — cheers! (5)
Ally of Liberal abandoning party in iffy seat (9)
I haven't cracked this one yet — but Fifteensquared have:
SOCIAL (party) less L in SEAT*
Drunk grasps article on Latin work by Eliot (5,4)
I haven't cracked this one yet — but Fifteensquared have:
L[atin] + AN (article) in WASTED (drunk) – Eliot’s poem is actually The Waste Land, but articles are sometimes omitted when titles are used as answers
Precious metal base is shining (5)
Make concrete in Israel, building side of edifice (7)
I haven't cracked this one yet — but Fifteensquared have:
ISRAEL* + E[difice]
After engaging writers, publisher says what it thinks (5,2)
Shrink is probing antagonist of 1 down (8)
I haven't cracked this one yet — but Fifteensquared have:
IS in MINI-ME (character in Austin Powers films)
Day out in nude provoked dissatisfaction (5)
I haven't cracked this one yet — but Fifteensquared have:
(IN NUDE)* less D
What digital artist does with eg bit of whisky, say, and beer, drinking a mixed gin (6-8)
Down
British secret agent working on wiretaps to ensnare the Guardian (6,6)
Deliberately gave nothing to would-be borrowers (5)
I haven't cracked this one yet — but Fifteensquared have:
If you gave nothing to would-be borrowers then you LENT 0; lento (Italian, often used in music) means slowly, deliberately
Leave boxing action, regularly missing jab (9)
I haven't cracked this one yet — but Fifteensquared have:
Alternate letters of aCtIoN in VACATE
Look up, eating half of cold dry cheese (7)
I haven't cracked this one yet — but Fifteensquared have:
CO[ld] + TT (teetotal, dry) in reverse of AIR (a look)
That man tells stories, including primarily clever twists (7)
I haven't cracked this one yet — but Fifteensquared have:
C[lever] in HE LIES
Muslim belonging to a student group rejected (5)
I haven't cracked this one yet — but Fifteensquared have:
Reverse of IN NUS (National Union of Students)
Everybody warned to ignore odds during sporting tie (3,3,3)
I haven't cracked this one yet — but Fifteensquared have:
Even letters of wArNeD in ONE-ALL (a draw, tie)
Random few one's found in East London area that's swinging (4-8)
I haven't cracked this one yet — but Fifteensquared have:
(FEW I’S)* in WAPPING
Orchestra leader to look over popular overture from Ives (9)
I haven't cracked this one yet — but Fifteensquared have:
TO SCAN + IN (popular) I[ves]
Fickle character, clumsy actor and English stars in vacuous cartoon (9)
I haven't cracked this one yet — but Fifteensquared have:
HAM + E + LEO (constellation) in C[artoo]n
What diner did with pork pie recipe in drawer here? (7)
I haven't cracked this one yet — but Fifteensquared have:
ATE (what diner did) + LIE (pork pie) + R[ecipe]
Couple on date in Parisian area showing some guts (7)
I haven't cracked this one yet — but Fifteensquared have:
DUO (couple) + D[ate] + EN (French “in”) + A[rea]
Hard to leave Confucian classic, which is topping (5)
I haven't cracked this one yet — but Fifteensquared have:
I CHING less H
Where tablets were given wrong kind of computer program (5)
Type letters or click words in the clue