[ adjective oh-ver-kast, -kahst, oh-ver-kast, -kahst; verb oh-ver-kast, -kahst, oh-ver-kast, -kahst; noun oh-ver-kast, -kahst ]
See synonyms for: overcastovercastingovercasts on Thesaurus.com

  1. overspread or covered with clouds; cloudy: an overcast day.

  2. Meteorology. (of the sky) more than 95 percent covered by clouds.

  1. dark; gloomy.

  2. Sewing. sewn by overcasting.

verb (used with object),o·ver·cast, o·ver·cast·ing.
  1. to overcloud, darken, or make gloomy: Ominous clouds began to overcast the sky.

  2. to sew with stitches passing successively over an edge, especially long stitches set at intervals to prevent raveling.

verb (used without object),o·ver·cast, o·ver·cast·ing.
  1. to become cloudy or dark: By noon it had begun to overcast.

  1. Meteorology. the condition of the sky when more than 95 percent covered by clouds.

  2. 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).

Origin of overcast

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

Words Nearby overcast

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use overcast in a sentence

British Dictionary definitions for overcast


  1. covered over or obscured, esp by clouds

  2. meteorol (of the sky) more than 95 per cent cloud-covered

  1. gloomy or melancholy

  2. sewn over by overcasting

  1. to make or become overclouded or gloomy

  2. to sew (an edge, as of a hem) with long stitches passing successively over the edge

  1. a covering, as of clouds or mist

  2. meteorol the state of the sky when more than 95 per cent of it is cloud-covered

  1. mining a crossing of two passages without an intersection

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012