Cloudy (, a. [Compar. Cloudier (; superl. Cloudiest.]
Etymology: [From Cloud, n.]
1. Overcast or obscured with clouds; clouded; as, a cloudy sky.
2. Consisting of a cloud or clouds. As Moses entered into the tabernacle, the cloudy pillar descended. Ex. xxxiii. 9
3. Indicating gloom, anxiety, sullenness, or ill-nature; not open or cheerful. "A cloudy countenance." Shak.
4. Confused; indistinct; obscure; dark. Cloudy and confused notions of things. Watts.
2 more senses
5. Lacking clearness, brightness, or luster. "A cloudy diamond." Boyle.
6. Marked with veins or sports of dark or various hues, as marble.
Shades of meaning
Fernald has no entry of its own for cloudy; he lists it under obscure.
He lists it without comment; the entries above explain its neighbors.