[adj. oh-ver-kast, -kahst, oh-ver-kast, -kahst; v. oh-ver-kast, -kahst, oh-ver-kast, -kahst; n. oh-ver-kast, -kahst]
overspread or covered with clouds; cloudy: an overcast day.
Meteorology. (of the sky) more than 95 percent covered by clouds.
dark; gloomy.
Sewing. sewn by overcasting.
verb (used with object), overcast, overcasting.
to overcloud, darken, or make gloomy: Ominous clouds began to overcast the sky.
to sew with stitches passing successively over an edge, especially long stitches set at intervals to prevent raveling.
verb (used without object), overcast, overcasting.
to become cloudy or dark: By noon it had begun to overcast.
Meteorology. the condition of the sky when more than 95 percent covered by clouds.
Mining. a crossing of two passages, as airways, dug at the same level, in which one rises to pass over the other without opening into it. Compare undercast ( def 1 ).

1175–1225; Middle English (v.); see over-, cast

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To overcast
World English Dictionary
1.  covered over or obscured, esp by clouds
2.  meteorol (of the sky) more than 95 per cent cloud-covered
3.  gloomy or melancholy
4.  sewn over by overcasting
5.  to make or become overclouded or gloomy
6.  to sew (an edge, as of a hem) with long stitches passing successively over the edge
7.  a covering, as of clouds or mist
8.  meteorol the state of the sky when more than 95 per cent of it is cloud-covered
9.  mining a crossing of two passages without an intersection

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

1560s, originally pp. of verb overcast (late 13c.), "to cover, to overspread" as with a garment, usually of weather, from over + cast (q.v.). Earliest sense of the verb (early 13c.) was "to overthrow."
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
The day was overcast, meaning no shadows and near-perfect light.
Wiens swept an antenna through the forest, weaving it in and out of snarled
  branches below overcast skies.
And on this particular overcast night, with rain dropping from a mossy sky,
  it's tough to see a thing.
Some were kept in cages lit constantly, so as to resemble a never-ending
  overcast day.
Image for overcast
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature