Synonym: dive, drop, fall, plummet. Similar words: lung, plus, fall under, volunteer, voluntary, young, hung up, jungle. Meaning: [plʌndʒ] 
n. 1. a brief swim in water 2. a steep and rapid fall. v. 1. thrust or throw into 2. drop steeply 3. dash violently or with great speed or impetuosity 4. begin with vigor 5. cause to be immersed 6. fall abruptly 7. immerse briefly into a liquid so as to wet, coat, or saturate 8. engross (oneself) fully.
n. 1. a brief swim in water 2. a steep and rapid fall. v. 1. thrust or throw into 2. drop steeply 3. dash violently or with great speed or impetuosity 4. begin with vigor 5. cause to be immersed 6. fall abruptly 7. immerse briefly into a liquid so as to wet, coat, or saturate 8. engross (oneself) fully. 
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31. The river takes a headlong plunge into a maelstrom of rocks and boulders.
32. Remove from the heat and plunge the base of the pan into a bowl of very cold water.
33. The company is girding its loins for a plunge into the overseas market.
34. Japan's banks are in trouble because of bad loans and the stock market plunge.
35. John felt refreshed after a quick plunge in the lake.
36. We took the plunge and set up our own business.
37. Economic doomsayers said the stock market crash would plunge the nation into a recession.
38. It's a difficult situation. You can't just plunge in and put everything right.
39. The area is a tinderbox that could again plunge the country into civil war.
40. She was about to plunge into her story when the phone rang.
41. They finally decided to take the plunge and get married.
42. Forsyth took the plunge into politics in 1996.
43. There has been a 10% plunge in stock prices.
44. Plunge in and head for the fire tower.
45. We've decided to take the plunge and get married.
46. At any time, they could plunge to political disaster.
47. His weight began to plunge.
48. Because that would plunge the country deeper into violence.
49. For some years I have been thinking of buying a word processor but have not yet taken the plunge.
50. Always the boy was about to plunge over the precipice.
51. So,(sentencedict.com) last week I got a pressure cooker and took the plunge.
52. The debate has been sparked by the plunge in interest rates since 1990.
53. Mrs Scott, pictured above, first took the plunge in 1993 when she converted a house into two flats.
54. Several start-up Net companies saw their share prices rocket in the first few years, only to see them plunge as the recession hit.
55. The worst postwar bear market struck in 1973-1974, a Dow Jones plunge of 45 percent.
56. When it happens, rub the fingers vigorously or plunge the hands into warm water.
57. The Nasdaq will also now consider halting trading in a stock that seems to soar or plunge beyond control, Campbell said.
58. Selvagem Grande is a plateau from which 100m high cliffs plunge into the sea.
59. The Trummelbach Falls are nearby, spectacular waterfalls which plunge into the depths of the mountain.
60. Not only is production expanding rapidly as foreign mining outfits plunge in, world coal prices have been rising.
More similar words: lung, plus, fall under, volunteer, voluntary, young, hung up, jungle, fungible, ungainly, with young, youngster, a young man, range, angel, finger, change, orange, singer, arrange, in danger, no longer, any longer, exchange, in general, passenger, challenged, changeable, out of danger, arrangement.