Similar words: threaten, threatened, threat, heartening, glistening, shortening, frightening, thread. Meaning: ['θretnɪŋ] 
adj. 1. threatening or foreshadowing evil or tragic developments 2. darkened by clouds.
adj. 1. threatening or foreshadowing evil or tragic developments 2. darkened by clouds. 
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31. Changing patterns of agriculture are threatening the countryside.
32. The terrorists are threatening to blow up the plane.
33. The sky was dark and threatening.
34. Rising costs are threatening the viability of many businesses.
35. The fighting is threatening to turn into full-scale war.
36. Prison officers are threatening to take strike action.
37. Look at those clouds! There's a storm threatening.
38. He was notorious for his violent and threatening behaviour.
39. Obscene and threatening phone calls are against the law.
40. She is threatening to institute legal proceedings against the hospital.
41. The house seemed less threatening in the cold light of day.
42. She blackmailed him for years by threatening to tell the newspapers about their affair.
43. The printers are threatening to down tools if the pay offer is not increased to 8%.
44. The terrorists are threatening to blow up the hijacked airliner.
45. Air traffic controllers are threatening to come out on / go on strike.
46. Environmental groups are threatening direct action if plans for the new road go ahead.
47. She complained to the police after receiving threatening phone calls and hate mail.
48. Martha was always threatening to leave,[www.Sentencedict.com] but I never believed her.
49. The salesman scared the old lady into signing the paper by threatening to take away the goods.
50. She got what she wanted by dint of pleading and threatening.
51. He was well - known for his violent and threatening behaviour.
52. They are threatening to take legal action against the hospital .
53. He received an anonymous letter threatening to disclose details of his affair if he didn't pay the money.
54. The fire is threatening about sixty homes, and residents have evacuated the area.
55. My landlord was threatening to put the rent up by 10 dollars a week.
56. Terrorist attacks on senior officials were threatening to destabilize the government.
57. He has accused the nurses of holding the government to ransom by threatening to strike.
58. I can see why you believed my letters were threatening but I never meant them to be.
59. Airline staff have fired a warning shot across the company's bows by threatening to strike if higher pay increases are not offered.
60. The union arm-twisted the company into negotiating by threatening widespread strikes.
More similar words: threaten, threatened, threat, heartening, glistening, shortening, frightening, thread, threadlike, evening, opening, happening, screening, gardening, beaten, good evening, intervening, create, laureate, creating, reasoning, breathing, breathtaking, three, threshold, with regard to, lenin, with respect to, peninsula, heathenism.