from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Full of or covered with clouds; overcast.
  • adjective Of or like a cloud or clouds.
  • adjective Marked with indistinct masses or streaks.
  • adjective Not transparent, as certain liquids.
  • adjective Open to more than one interpretation.
  • adjective Not clearly perceived or perceptible.
  • adjective Troubled; gloomy.

from The Century Dictionary.

  • Overcast with clouds; obscured by clouds: as, a cloudy day; a cloudy sky.
  • Consisting of a cloud or clouds; of the nature of a cloud.
  • Obscure; dark; not easily understood.
  • Having the appearance of gloom; indicating gloom, anxiety, sullenness, or ill nature; not open or cheerful.
  • Marked with spots or areas of dark or various hues, or by clouding or a blending of light and shade or of colors.
  • Wanting in luster, brightness, transparency, or clearness; dimmed: as, a cloudy diamond.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Overcast or obscured with clouds; clouded; as, a cloudy sky.
  • adjective Consisting of a cloud or clouds.
  • adjective Indicating gloom, anxiety, sullenness, or ill-nature; not open or cheerful.
  • adjective Confused; indistinct; obscure; dark.
  • adjective Lacking clearness, brightness, or luster.
  • adjective Marked with veins or sports of dark or various hues, as marble.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Covered with or characterised by clouds; overcast.
  • adjective Not transparent or clear.
  • adjective Uncertain; unclear.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective lacking definite form or limits
  • adjective (of liquids) clouded as with sediment
  • adjective full of or covered with clouds


from Wiktionary, Creative Commons Attribution/Share-Alike License

cloud +‎ -y


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