Overcast or obscured with clouds; clouded; as, a cloudy sky.

Confused; indistinct; obscure; dark.

1. The character of the sunrise or sunset when the disk of the sun is hidden at these times by clouds or an obscuring phenomenon. Compare clear. 2. In popular usage, the state of the weather when clouds predominate at the expense of sunlight, or obscure the stars at night. In weather forecast terminology, expected cloud cover of about 0.7 or more warrants the use of this term. Compare clear, partly cloudy.

full of or covered with clouds; "cloudy skies"

more than 50 per cent cloud cover throughout the period.

the state of the sky when 7/10ths or more of the sky is covered by clouds.

Adjective class representing the degree to which the sky is obscured by clouds. In weather forecast terminology, expected cloud cover of about 0.7 or more warrants use of this term. In the National Fire Danger Rating System, 0.6 or more cloud cover is termed "cloudy."

Between 9/10 and 10/10 cloud cover.

A cloudy wine has suspended particles in it, obscuring the colour. An indicator of problems in a wine.