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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121. He was determined not to let emotions cloud his vision.
122. When you're waiting for an operation, you feel like there's a cloud hanging over you.
123. The summit was enfolded in a circle of white cloud.
124. On the eastern horizon, a huge cloud of smoke from burning oil tanks stretched across the sky.
125. She's been on cloud nine ever since she heard the news.
126. The city is covered by a foul-smelling cloud of smoke.
127. The hens darted away on all sides, raising a cloud of dust.
128. He drew heavily on his cigarette and puffed out a cloud of smoke. Sentencedict.com
129. The only cloud on the horizon was her mother's illness.
130. The sky was a perfect blue - not a cloud in sight.
131. A cloud of dust rose in the air as the car roared past.
132. The sun disappeared from view behind a cloud./A cloud hid the sun from view.
133. Nature is a mutable cloud which is always and never the same. Ralph Waldo Emerson 
134. Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming "Wow! What a Ride! Hunter S. Thompson
135. Not a speck of cloud is to be seen.
136. Every dark cloud has a silver lining.
137. An storm cloud forms over South Africa's Highveld.
138. Every cloud have a silver lining.
139. Don't be discouraged. Every cloud has a silver lining.
140. Every cloud have its silver lining.
141. Every black cloud has a silver lining.
142. Every cloud has a silver lining indeed!
143. Every cloud has a sliver lining.
144. This is dark cloud outside the silver lining of increasing longevity.
145. He reversed into the stockade in a cloud of dust.
146. Note : There is an English saying[sentencedict.com], " Every cloud has a silver lining. "
147. A thin cloud of steam was rising from the spout.
148. The Hunter burst into a cloud of snakelike parts that wetly spattered upon the floor.
149. Life, however dark and somber, could never apparently cloud his soul.
150. The sky was dark blue, without a speck of cloud.