Synonym: beat, dither, flapping, flaps, flutter, fluttering, fuss, pother, roll, tizzy, undulate, wave. Similar words: flapper, flapping, unflappable, lap, clap, slap, lapse, lapel. Meaning: [flæp] 
n. 1. any broad thin and limber covering attached at one edge; hangs loose or projects freely 2. an excited state of agitation 3. the motion made by flapping up and down 4. a movable piece of tissue partly connected to the body 5. a movable airfoil that is part of an aircraft wing; used to increase lift or drag. v. 1. move in a wavy pattern or with a rising and falling motion 2. move noisily 3. move with a thrashing motion 4. move with a flapping motion 5. make a fuss; be agitated 6. pronounce with a flap, of alveolar sounds.
n. 1. any broad thin and limber covering attached at one edge; hangs loose or projects freely 2. an excited state of agitation 3. the motion made by flapping up and down 4. a movable piece of tissue partly connected to the body 5. a movable airfoil that is part of an aircraft wing; used to increase lift or drag. v. 1. move in a wavy pattern or with a rising and falling motion 2. move noisily 3. move with a thrashing motion 4. move with a flapping motion 5. make a fuss; be agitated 6. pronounce with a flap, of alveolar sounds. 
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31. You flip to the back flap of the book and look at the photograph of Peter Rock.
32. I hear the thump of the cat flap as Cat O'Fun tumbles through it without the feline grace of his fellows.
33. Thinking that it was heavier than it looked, he undid the straps and buckles and threw back the flap.
34. It's only a matter of time till he learns to use the cat flap.
35. He walked to the corner, gathering up his long Marine coat, doing up the buttons and neck flap.
36. A flap of skin between forelegs and hind legs, enlarged feet or a flattened body all help.
37. Last in should be the tent, which can be carried under the rucksack flap, and your waterproofs.
38. With undercarriage down and full flap these symptoms are further exaggerated, and the speed comes back to below eighty.
39. The tent flap drew back, and David Mitchell entered, cleaned up and resplendent in dog-collar and cardigan.
40. To flap their wings they will need more than 1,000 square centimetres.
41. She began to turn the pictures round and flap at the mantelpiece with a duster.
42. I glued up the cat flap. 1 sprayed the letter box with insect repellent.
43. A malodorous checked jacket, stiff with grime, was unbuttoned,(sentencedict.com) the left flap lying open.
44. Heat oil to 375 degrees and add egg rolls, flap side down.
45. The dragon spread its wings and gave an experimental flap, which lifted it momentarily off the ground.
46. As his engines speeded up on the runway, a little flap would open on the ground to catch the exhaust fumes.
47. Without waiting to lift the flap she slipped under the counter.
48. With the tent flap closed, the heat had been building up under the canvas.
49. The return address was on the flap of the envelope.
50. His breathing sounds like the cardboard flap you pin to the back wheel of your bike to make a motorcycle.
51. The flysheet zips are protected by a small weather flap.
51. Sentencedict.com try its best to gather and build good sentences.
52. Kelly resigned over a flap about videotaping interviews with job seekers.
53. Doors of the hatch can be hinged or sliding, or even a lift-down flap, as long as it's got adequate support.
54. The flap over the name is only the latest that has made Marana the butt of local jokes.
55. A small weather flap with a pull drawcord gives added protection at the top of the main compartment.
56. Remembering the cup in her pocket, she pressed her hand over the flap to hide it.
57. C Tailored shorts with front pleats, a tab detail, side pockets and mock-pocket flap at the back.
58. Stephen saw the white of a field dressing flap as Byrne began to bind the wounds.
59. Cars and lorries hooting, accelerating and braking put Dawn into a real flap.
60. Circuits are normally flown with climb or take-off flap at eighty knots, reducing to seventy with landing flap on final approach.
More similar words: flapper, flapping, unflappable, lap, clap, slap, lapse, lapel, dewlap, laptop, elapse, slap-up, lapping, relapse, overlap, malapert, fall apart, clap hands, collapse, slapdash, slapping, pull apart, collapsing, dilapidate, aesculapius, malapropism, dilapidated, collapsible, dilapidation, flay.