The unclued lights are of a kind, including one hyphened, all confirmed in Chambers except for 8 across, which is in Collins. Elsewhere, ignore two accents.
 

Across

11    How mud moves like grease, carrying weight (6)
12    Arab American backs musical (6)
17    Recycle rubbish fellow’s left (5)
18    Lawyer with wine for old maid (7)
22    Dismissed god war god beats for boldness (8)
23    Almost cook stews oddly for fish (7)
24    One backing firm strokes (6)
25    Part of neck right back for surgical device (6)
27    Diamond from foreign character, male writer (7)
30    Careful record on film (8)
33    Perhaps it’s lone? (7)
35    Judo move said to...