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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61. The terrorists have seized 20 hostages and are threatening to kill one a day unless their demands are met.
62. The man drew a finger across his throat in a threatening gesture.
63. Public worries about accidents are threatening the very existence of the nuclear power industry.
64. My landlord's threatening to put the rent up by 10 a week.
65. His voice sounded threatening.
66. People are becoming more sensitized to the dangers threatening the environment.
67. The army is/are threatening to take over if civil unrest continues.
68. She has secret information and is threatening to name names .
69. You may find that just threatening this course of action will produce the desired effect.
70. The manager tried to bully his men into working harder by threatening them with dismissal.
71. She's threatening to take me to court for not paying the bill on time.
72. Workers are threatening to walk out if an agreement is not reached.
73. The farmer came after them,[http://sentencedict.com/threatening.html] threatening to call the police.
74. Retailers can exert leverage over producers by threatening to take their business elsewhere.
75. With rain threatening, we headed home as fast as we could.
76. The guard growled out a warning,threatening the prisoners with his gun.
77. The Americans responded, Rambo-style/Rambo-like, by threatening to attack immediately if their conditions were not met.
78. The judge told him to desist from threatening his wife.
79. A storm was threatening.
80. This weekend's fighting is threatening to burst into full-scale war.
81. Parisian taxi drivers are threatening to mount a blockade to turn the screw on the government.
82. The commission pinpoints inadequate housing as a basic problem threatening village life.
83. An example is threatening a deaf person.
84. The threatening phone calls started all over again.
85. Pollution is threatening the future of the human race.
86. Doctors said afterwards the overdose was potentially life threatening.
87. It's threatening to cause a huge ecological disaster.
88. An alien object was threatening the organism.
89. His white face was spiteful, threatening and suggestive.
90. Frost bites HEAVY frost is threatening today's meetings.
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.