Fieldfare

A five-letter word (suggested by the title) appears diagonally in the grid and should be shaded. Four unclued lights define it; the other four give examples of it, if regarded as two words. Ignore one accent; 19 Down is in Brewer but not in Chambers.

Seven circles appear in the circuit next to the outer one. Their place is shown in the innermost one (6,4). Radial lights, all (6) except where indicated, read from rim to centre or vice versa, 20 of each.

The unclued lights are of a kind.

The unclued lights consist of three associations with each of the three syllables of 40 Across.  Across 10    Numb, injured with a manacle; his help on the way? (12) 11    Sample a nation, taking the south to heart (5) 13    I rebuke nurse, failing to keep books (7) 16    Prowl around, Rector, during endless gospel (4) 17    Swineherd always gets a day to celebrate (8) 21    Force to translate Cicero? No (8) 22    Bend back always, turning to grab dog (7) 26    One parrot may pick up sticks here?

Unclued lights (one of two words, the others paired) at length have something in common. Across 1 Faced bombs near end of life (7) 11    Museum spending pounds to acquire English works (6) 12    European body said to be a biblical tribe (7) 14    Losing sides destroy poetic inspiration (5) 15    First person on chimney reaching heavens (5) 16    Shrewd to hide roubles in crevice (6) 17    Mum unfortunately sent back spicy paste (6) 18    In which to deliver good wine?

The unclued lights can all follow the same word, which is hidden in the grid and should be shaded. (Two of the phrases take the definite article.) Across 1 Pack slung across river boat (5) 10    Trounce principal predator (10) 11    Cover plate at last with prawn salad (6) 12    Brother caught in evil turning saint (7) 14    French tuck into frog, all I cooked (6) 16    European medic overturned conventional standards (4) 17    Let oneself down, as muscles relax? (6) 22    Weaken worship, delaying verse (8) 25    Sleeps around the whole time (4) 26    Such a war returns beneficial result?

In one square in each quarter of the grid, across and down entries clash (leave these squares blank). From these eight letters four unclued lights (mutual anagrams) can be formed, each defined by one other unclued light.

Nine unclued lights form three triplets, each related in a different way to the tenth. Across 1    Cartoonist has formerly captivated Spain (5) 10    Swayed and quit, sick in the stomach (10) 14    Handles fine fish (5) 15    Have a few days at skate park (5) 16    As support, use skinny leg (4,2) 20    Dancer for one popular in scarlet always (8) 21    A lamb chop?

Unclued lights, singly or correctly paired, are of a kind.  One light does double duty. Across 1    Son becomes aware of cutter (6) 5    One who digests fish first (6) 10    Ancient Briton’s edged axe (4) 11    I don’t approve of expert?

Unclued lights (two of two words) refer to works in the same genre by a closely associated pair. Across 1 In store, old copper pipe (8) 7 Moves swiftly, caught in foam (5) 12    Woman claimed win after slimming (6) 16    Evidence of wound almost frightening (4) 17    Scots fabric, affectedly pretty line (5) 18    Fool punches porky girl (6) 22    A little pressure from jemmy dumping weight on motorway (8) 23    Lecture now held regularly in Berlin, certainly (6) 24    Why is match cancelled? Another drink!

Five three-word phrases (in both Brewer and Chambers) have something in common. The unclued lights, correctly paired, form the second and third words of these. The first five words are hidden in the grid (across or down) and should be shaded.

The unclued lights give various things which two lovers took or used on their journey. These include two of three words (one split over two lights) and one of two. The name of one lover is hidden in the grid and should be highlighted. Ignore two accents.

Unclued lights (one hyphened, two of two words) have something in common. Ignore one accent. Across 1    I hand round a mostly poor-quality coarse fibre (8) 6    Urge to chase round and round behind lobby (6) 12    Appear unhappy about choppy sea tending to wrinkle (6) 14    Very healthy backing by old sports fan (6) 17    Get sick in lung (not heart): in turn, it’s to do with brain tissue (5) 18    Keystone, one of five around circle (5) 20    More like Heep, not fat?

A book title has three elements, each one suggested by three unclued lights. The author’s name is hidden in the grid and should be highlighted. Ignore three accents.

One artist’s ten-word comment on a critic runs round three sides of the perimeter; who spoke of whom fills the top line. Other unclued lights name two works by each: two of three words each, one pair, and one pair totalling four words. Across 10    Insignificant type dropped in a river? That’s enough! (8) 12    Tough not to sound disgusted (3) 13    Secret agent holds the floor (5) 14    Creature has cuckoo sickness (6) 15    Thin, I am ordered a vitamin (7) 17    Fallen angel’s joy cut short on Earth (5) 19    A little bit of thanks to the Moon (4) 20    Old simpleton’s new beginning (4) 23    Witness takes in launch of missile: duck!

Unclued lights make up a group, its members and location (two pairs, one doubly hyphened). Ignore one accent Across 1    Red Route heartless?

22 said ‘29 11’ (five words, ignore an apostrophe), suggesting the placing of theother unclued lights.

Unclued lights have something in common, nine of two words, five pairs, and one singleton.

Unclued lights name an authoress (two lights), her hero (two lights), his group (one light, two words), and its members (mostly human). Across 4    Stimulant gets lad near to collapse at home (9) 10    FBI agents after government department: time to clean up files (10) 14    In mill channel pressure rose suddenly (5) 15    Labourer present: success! (5) 16    Makes up clothes I put on (6) 23    Heinous mistakes, not using outside help (2-5) 24    Close down early, but not entirely (4) 25    Idea spread by first person more than once (4) 29    Lambs he’s butchered here?

Each Across unclued light is associated in the same way with a Down one (one of two words).         Across    1    In small conurbations, transport deficiencies (10)    7    Walk from Piraeus to Athens (4) 15    Huge resistance from masculine self-importance? I wonder (6) 18    PM’s residence about to receive first of rock stars (5) 19    Correct uncle, and head’s bitten off (5) 25    Cheers afternoon, taking in TV hospital show (7) 26    Excellent on Polish and Persian verse (5) 27    A line gets out of position rapidly (5) 29    Dull, like a little lake?