Synonyms for cloud

Some common synonyms of cloud are: cloud [n.] 1. Nebulosity, haze, mist, fog, vapor, collection of vapor. 2. Dense mass (as of smoke or dust). 3. Throng, multitude, dense mass, vast number, host, army, horde, vast assemblage. 4. Blur, blurred spot, dark spot or blotch. 5. Darkness, obscurity, gloom, obscuration, eclipse.