1. (

• cloud ,

) any collection of particles (e.g., smoke or dust) or gases that is visible ;

2. (

• cloud

) a visible mass of water or ice particles suspended at a considerable altitude ;

3. (

• cloud ,

) out of touch with reality; "his head was in the clouds" ;

4. (

• cloud ,

) a cause of worry or gloom or trouble; "the only cloud on the horizon was the possibility of dissent by the French" ;

5. (

• cloud

) suspicion affecting your reputation; "after that mistake he was under a cloud" ;

6. (

• swarm ,
• cloud

) a group of many things in the air or on the ground; "a swarm of insects obscured the light"; "clouds of blossoms"; "it discharged a cloud of spores" ;

1. (

• overcast ,
• cloud

) make overcast or cloudy; "Fall weather often overcasts our beaches" ;

2. (

• obscure ,
• befog ,
• becloud ,
• obnubilate ,
• haze_over ,
• fog ,
• cloud ,
• mist

) make less visible or unclear; "The stars are obscured by the clouds"; "the big elm tree obscures our view of the valley" ;

3. (

• cloud

) billow up in the form of a cloud; "The smoke clouded above the houses" ;

4. (

• cloud

) make gloomy or depressed; "Their faces were clouded with sadness" ;

5. (

• defile ,
• sully ,
• corrupt ,
• taint ,
• cloud

) place under suspicion or cast doubt upon; "sully someone's reputation" ;

6. (

• cloud ,

) make less clear; "the stroke clouded memories of her youth" ;

7. (

• mottle ,
• dapple ,
• cloud ,

) colour with streaks or blotches of different shades ;

8. (

• cloud ,

) make milky or dull; "The chemical clouded the liquid to which it was added" ;