overspread or covered with clouds; cloudy: an overcast day.
Meteorology. (of the sky) more than 95 percent covered by clouds.
Sewing. sewn by 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.
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).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use overcast in a sentence
A room glows with fluorescent light of the same hue as a yellowed, overcast sky after a storm.D.C. is a city of grand monuments and federal buildings. These photos capture the often unseen poetic details. | Kelsey Ables | July 30, 2021 | Washington Post
It’s the first since the Terps ended a 42-year title drought in 2017, when they knocked off Ohio State on a chilly, overcast New England holiday afternoon — similar to the one expected Monday at Rentschler Field.Maryland eyes perfection and Virginia seeks consecutive crowns in the men’s lacrosse title game | Patrick Stevens | May 30, 2021 | Washington Post
Spotty light showers and drizzle persist through much of the day under overcast skies, perhaps diminishing a bit during the afternoon as skies turn slightly brighter.D.C.-area forecast: Another clunker today before a much nicer Memorial Day | Brian Jackson | May 30, 2021 | Washington Post
She thought about her family, her job, her hair as she gazed at the overcast sky and, before Sergio could see, wiped away the tears.A Crisis of Undiagnosed Cancers Is Emerging in the Pandemic’s Second Year | by Duaa Eldeib, video by Alex Garcia | May 4, 2021 | ProPublica
Thursday’s forecast calls for partly cloudy skies, becoming more overcast as the day wears on, with a high of 82 and winds at 10-15 mph.Justin Rose, with a back nine out of a dream, races to a four-shot lead at the Masters | Chuck Culpepper, Scott Allen, Des Bieler | April 9, 2021 | Washington Post
However, an overcast sky (like you see often during the winter) usually ranks at only 1,000 lux or lower.Fight Seasonal Affective Disorder With This New Tracker | DailyBurn | November 7, 2014 | THE DAILY BEAST
Mostly cloudy Monday through Wednesday, cloudy Thursday, overcast Friday, and considerable cloudiness over the weekend.
The wet ground mirrored the overcast sky and three officiating officers stood saluting in the background.
The plan was to go that coming Sunday afternoon, but when the day came it was bitter, overcast, so I tried begging off.
Haneke, however, is in a decidedly genial mood on an overcast fall day in midtown Manhattan—and with good reason.‘Amour,’ the Year’s Best Foreign Film, Courts Oscar | Marlow Stern | December 19, 2012 | THE DAILY BEAST
Thick clouds of smoke overcast the sky, shrouding the morning with sombre gray.Prison Memoirs of an Anarchist | Alexander Berkman
The heavens were overcast with gray cold clouds that rode high and brought wind rather than rain.A Virginia Scout | Hugh Pendexter
The sky was gloomy and overcast, and altogether the outlook was about as terrible as it could well be.The Adventures of Louis de Rougemont | Louis de Rougemont
The night was mild and calm, but overcast and exceedingly dark.
The mornings are cool and overcast, but the middle of the day is clear.
British Dictionary definitions for overcast
covered over or obscured, esp by clouds
meteorol (of the sky) more than 95 per cent cloud-covered
gloomy or melancholy
sewn over by overcasting
to make or become overclouded or gloomy
to sew (an edge, as of a hem) with long stitches passing successively over the edge
a covering, as of clouds or mist
meteorol the state of the sky when more than 95 per cent of it is cloud-covered
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