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ACROSS:
1 Turn the other cheek, 10 Enhanced, 15 Regret, 16 Terracotta, 17 Protocol, 19 Veteran, 21 Fixed, 22 Imbalance, 25 Espionage, 27 Panther, 29 Vienna, 33 Topaz, 34 Fearless, 36 Forefather, 39 Tip, 41 Limited, 42 Clause, 43 Adroit, 44 Idol, 45 Serious, 48 Exasperate, 53 Scatter, 57 Acne, 58 Bureau, 59 Ambled, 60 Variety, 62 Tic, 64 Flea market, 65 Aperture, 66 Henna, 69 Pruned, 70 Strides, 71 Ingenuity, 76 Airworthy, 77 Tempo, 78 Display, 83 Sergeant, 84 Substitute, 85 Pencil, 86 Squatter, 87 Upset the applecart.
DOWN:
2 Uneven, 3 Nerve, 4 Hut, 5 Oath, 6 Herring, 7 Reader, 8 Hoop, 9 Estimate, 11 Normal, 12 Anticlimax, 13 Cock, 14 Dilemma, 18 Racecourse, 20 Aria, 23 Under, 24 On the dot, 26 Swahili, 28 Austere, 30 Novice, 31 Recurs, 32 Remiss, 35 Relax, 37 Ruler, 38 Menu, 40 Papa, 45 Scarf, 46 Runner-up, 47 Squirm, 48 Elementary, 49 Abut, 50 Placate, 51 Robber, 52 Treat, 54 Clan, 55 Trident, 56 Extend, 61 Impediment, 63 Gruel, 67 High jump, 68 Fuji, 69 Pegasus, 72 Neptune, 73 Twinge, 74 Depict, 75 Rapier, 79 Panic, 80 Frau, 81 Isle, 82 Jeep, 85 Pal.