The unclued lights, one of two words, and the others when paired are of a kind. One individual unclued light does double duty.
 

Across

1    Women’s painting seen initially returning by tube (5)
4    Look about, right and left, in a jaunty manner (9)
9    Home I leave — priests’ centre’s defining acts of wickedness (10)
11    Give address that’s fancy, not new (5)
12    Porcelain broken, lacking no true copy (7)
16    Trojan horse finally gains access to a stable backwards (6)
21    What is going beyond The Pale? (8)
24    Fair during the 70s (4)
27    Nemesis from Bremerhaven, Germany (7)
28    Fielder at opponent’s ground has to leave quietly (8, two words)
33    Thank you, and goodbye (6)
34    A top up (5)
35    Composer with note in stamped envelope (5)
37    Ran back with speed to tell a tale (7)
38    Bananas are OK abroad (5)
40    Arrogant Edgar, sadly superior (9, hyphened)
41    Admitted cycling to small bay (5)
 

Down

1    Salesgirl organised Spanish toasts (13, two words)
4    Snub fruit drink and game (6)
5    Worthless tinder (4)
6    Repeat it, adding note on rebuke (7)
8    Hangers-on seen off by local manager (8)
10    Lagerfeld and graduate fired ten darts at target in old German city (13, two hyphens)
13    Alternative medicine eliminating one type of disease (7)
18    Calms when everyone agrees (6)
19    Vest — and what it finishes with (7)
20    Maltese town providing fragrant oil with touch of delicacy (6)
23    Burning waste in Africa? (8)
26    One cheats in party game (7)
29    Chemical company about to take on the French — result of the big freeze? (6)
30    Leading lady cut short with smack (6)
36    Bound to be exhausted, disheartened (4)
 
A first prize of £30 for the first correct solution opened on 19 November. There are two runners-up prizes of £20. (UK solvers can choose to receive the latest edition of the Chambers dictionary instead of cash — ring the word ‘dictionary’.) Entries to: Crossword 2383, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.