Antonym: clear. Similar words: close, all out, flour, closer, closet, close up, closely, close in. Meaning: [klaʊd] 
n. 1. any collection of particles (e.g., smoke or dust) or gases that is visible 2. a visible mass of water or ice particles suspended at a considerable altitude 3. out of touch with reality 4. a cause of worry or gloom or trouble 5. suspicion affecting your reputation 6. a group of many insects. v. 1. make overcast or cloudy 2. make less visible or unclear 3. billow up in the form of a cloud 4. make gloomy or depressed 5. place under suspicion or cast doubt upon 6. colour with streaks or blotches of different shades 7. make milky or dull.
n. 1. any collection of particles (e.g., smoke or dust) or gases that is visible 2. a visible mass of water or ice particles suspended at a considerable altitude 3. out of touch with reality 4. a cause of worry or gloom or trouble 5. suspicion affecting your reputation 6. a group of many insects. v. 1. make overcast or cloudy 2. make less visible or unclear 3. billow up in the form of a cloud 4. make gloomy or depressed 5. place under suspicion or cast doubt upon 6. colour with streaks or blotches of different shades 7. make milky or dull. 
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61. I hope this disagreement won't cloud our friendship.
62. A dark bank of cloud loomed on the horizon.
63. A cloud of smoke was suspended in the air.
64. The rocket ascended into the cloud.
65. A cloud of ash rose from the volcano.
66. Visibility was bad due to low cloud.
67. He left the company under a cloud of suspicion.
68. The moon slid silently behind a cloud.
69. A dark cloud loomed up over the horizon.
70. The sun disappeared behind a cloud.
71. Our plane hobbled through the cloud cluster.
72. The horses' hooves raised a cloud of dust.
73. A large black cloud covered the moon.
74. A cloud passed over the sun.
75. Depression settled over her like a heavy black cloud.
76. There was so much cloud,[http://sentencedict.com/cloud.html] we couldn't see anything.
77. The allegations cast a cloud over the Mayor's visit.
78. The white cloud of smoke floated away.
79. A cloud of black smoke blew over the city.
80. This mass of dark cloud is raining.
81. Enormous cloud formations formed a purple mass.
82. Wade exhaled a cloud of smoke and coughed.
83. We descended into Heathrow through thick cloud cover.
84. The top of the mountain was covered in cloud.
85. A cloud of suspicion is hanging over him.
86. The cloud cover is quite dense today.
87. It was beginning to cloud over.
88. She arrived in a cloud of industrial-strength perfume.
89. The powdery dust rose in a cloud around him.
90. Thick cloud hung over the moor.