1. Full of or covered with clouds; overcast.
2. Of or like a cloud or clouds.
3. Marked with indistinct masses or streaks: cloudy marble.
4. Not transparent, as certain liquids.
5. 1. Open to more than one interpretation.
   2. Not clearly perceived or perceptible.
6. Troubled; gloomy: His future at the company is cloudy.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.