cloudy

Etymology

From Middle English cloudy (“cloudy, overcast, gloomy, dark", also "hilly, rocky”), from Old English clūdiġ (“stony, rocky”), equivalent to cloud + -y.

adj

1. Covered with or characterised by clouds; overcast.
2. Not transparent or clear.
   […] aerogel resembles smoke that has been frozen into place — it's cloudy, translucent and virtually weightless. 2002, “Best Inventions of 2002”, in Time
   1. (of fruit juice) Containing pith
3. Uncertain; unclear.
4. (computing, informal) Using or relating to cloud computing.
   a cloudy infrastructure
5. (slang, archaic) shady; sketchy; suspicious