Synonym: billow, inflate. Similar words: ballot, ball, balls, tribal, verbal, global, noon, soon. Meaning: [bə'luːn] 
n. 1. small thin inflatable rubber bag with narrow neck 2. large tough nonrigid bag filled with gas or heated air. v. 1. ride in a hot-air balloon 2. become inflated.
n. 1. small thin inflatable rubber bag with narrow neck 2. large tough nonrigid bag filled with gas or heated air. v. 1. ride in a hot-air balloon 2. become inflated. 
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31. We watch the hot-air balloon slowly inflate.
32. He burst the balloon in my face.
33. My suggestion went down like a lead balloon.
34. We took the hot-air balloon ride, just for laughs.http://sentencedict.com
35. It wasn't a balloon — I'm certain of that.
36. A balloon floated across the sky.
37. The balloon will dilate with air.
38. Madison was assigned to investigate a balloon accident.
39. Don't blow the balloon up any further! It'll burst!
40. We watched the balloon riding high above the fields.
41. The balloon was kept fully inflated with hydrogen.
42. People first flew in a balloon in 1783.
43. A balloon suddenly went bang.
44. The balloon reached a height of 20,000 feet.
45. The idea went down like a lead balloon .
46. She crossed the Atlantic by hot-air balloon.
47. The balloon went pop.
48. Soon afterwards, the balloon began to descend and it landed near an airfield.
49. Despite a number of setbacks, they persevered in their attempts to fly around the world in a balloon.
50. I saw the hot balloon standing up into the sky slowly.
51. Air distends a balloon.
52. She burst the balloon.
53. Todd flew over the city in a hot air balloon as a publicity stunt .
54. His jokes about woman drivers went down like a lead balloon.
55. The world's first transatlantic balloon race ended in chaos last night.
56. They are to attempt to be the first to circle the Earth non-stop by balloon.
57. I want to hop the Atlantic by a hot-air balloon.
58. The pilot managed to circle the balloon for some time.
59. We'll have to get out of there before the balloon goes up.
60. The balloon has blown.
More similar words: ballot, ball, balls, tribal, verbal, global, noon, soon, go on, no one, spoon, have a ball, balanced, basketball, cartoon, and so on, balance of, as soon as, teaspoon, look, loop, a blue moon, floor, flood, loose, tablespoon, look up, look at, look in, look for.