The perimeter squares yield six theme-words in order, though any one of them can come first. The remaining unclued lights (two individually and a pair) reveal three more theme words. Solvers are asked to highlight in the appropriate colour a final two-word theme-word hidden in two rows in the completed grid.

Across

6    A caravan is usually aware of width (5, two words)
7    In ebbing river, perch slowly disappeared (6)
8    Piece of jewellery in unwrapped sweets (7)
10    President’s car crossing (4)
12    Accompanied fellow with scatty Doreen (10)
13    From where a pot she’s brewed (8, two words)
16    Bill Hill, role player (5)
17    No small stanhope damaged another carriage (7)
18    Characteristic attitudes, the ones European brought forward (5)
21    See 14 Down
23    Perrier water from Uganda (3)
27    French joiner going round one US city and port (5)
28    Posh lad on Lesotho climbs (7)
29    Thin piping! (5)
32    Quaint establishment used lowered switches (10, two words)
33    Labour Wet (4)
34    Month in Germany with an American queen (7)
35    They are just over a foot in each case (6)
36    Dull, but p-promising (5)

Down

1    Some thane or liege-lord (4)
2    Second cop, I suspect, probing deeply (10)
3    Failed department store stocking two pairs of spectacles, separately, causing signs of grief (7, hyphened)
4    Vegetables viewed up around Perth, for starters (5)
5    The makings of a teen? No! (7)
9    Capital for food-store spoken of (5)
11    Rare moraine hides suckerfish (6)
14/21    The advantage of a teacher with sex appeal (6)
15    Two verdicts handed out to habitual criminal (10)
19    Arranged let, up overlooking old Elvis’s birthplace (6)
20    Obstinacy of novelist and journalist when swapped (8, hyphened)
22    From Paris, had Ingres’ painting technique (7)
24    Star’s language (5)
25    Support unruly child who is losing time (3)
26    Green vegetation composer cut on flower (7)
30    Excursion to joint with relative (5)
31    Port in France is coming after Brie and Roquefort, as starters (5)

A first prize of £30 for the first correct solution opened on 5 September. 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 2274, The Spectator, 22 Old Queen Street, London SW1H 9HP. Please allow six weeks for prize delivery.

The post 2274: Round and round appeared first on The Spectator.