cloudiness

English edit

From cloudy +‎ -ness.

cloudiness (countable and uncountable, plural cloudinesses)

Of the sky, weather, etc.: the state of being cloudy.
Expect considerable cloudiness with occasional rain showers.
- 1598–1599 (first performance), William Shakespeare, “Much Adoe about Nothing”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene iv], page 121, column 1:
  [W]hy vvhat's the matter? / That you haue ſuch a Februarie face, / So full of froſt, of ſtorme, and clovvdineſſe.
  A figurative use.
Of a liquid: the property of being murky.
Cloudiness in the water is most often caused in new aquariums by white bacteria.
(figurative) Of information, a writing style, etc.: the property of being obscure.
Avoid cloudiness in your essay-writing.

weather

murkiness

obscureness