overcast

UK: /ˈəʊvə^rkɑːst/

US: /adj. ˈoʊvɚˈkæst, -ˌkæst; v. ˌoʊvɚˈkæst, ˈoʊvɚˌkæst; n. ˈoʊvɚˌkæst/

US: (adj. ō′vər kast′, -käst′, ō′vər kast′, -käst′; v. ō′vər kast′, -käst′, ō′vər kast′, -käst′; n. ō′vər kast′, -käst′)

Inflections of 'overcast' (v): (⇒ conjugate)

overcasts

v 3rd person singular

overcasting

v pres p

overcast

v past

overcast

v past p

WordReference Random House Learner's Dictionary of American English © 2025

o•ver•cast /adj. ˈoʊvɚˈkæst, -ˌkæst; v. ˌoʊvɚˈkæst, ˈoʊvɚˌkæst,;
n. ˈoʊvɚˌkæst/   adj., v., -cast, -cast•ing, n. 
adj. 

1. • overspread with clouds;
     cloudy.

v. [~ + object]

2. to cause to be overclouded or darkened:
   Clouds began to overcast the sky.

n. [uncountable]

3. Meteorology the condition of the sky when it is covered or overspread with clouds.

WordReference Random House Unabridged Dictionary of American English © 2025

o•ver•cast  (adj. ō′vər kast′, -käst′, ō′vər kast′, -käst′;v. ō′vər kast′, -käst′, ō′vər kast′, -käst′;
n. ō′vər kast′, -käst′), adj., v., -cast, -cast•ing, n. 
adj. 

1. overspread or covered with clouds;
   cloudy:
   an overcast day.
2. Meteorology (of the sky) more than 95 percent covered by clouds.
3. dark;
   gloomy.
4. Clothing [Sewing.] sewn by overcasting.

v.t. 

5. to overcloud, darken, or make gloomy:
   Ominous clouds began to overcast the sky.
6. Clothing to sew with stitches passing successively over an edge, esp. long stitches set at intervals to prevent raveling.

v.i. 

7. to become cloudy or dark:
   By noon it had begun to overcast.

n. 

8. Meteorology the condition of the sky when more than 95 percent covered by clouds.
9. 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. Cf. undercast (def. 1).

• 1175–1225; Middle English (verb, verbal); see over-, cast

Collins Concise English Dictionary © HarperCollins Publishers::

overcast adjective / ˈəʊvəˌkɑːst/

1. covered over or obscured, esp by clouds
2. (of the sky) more than 95 per cent cloud-covered
3. gloomy or melancholy
4. sewn over by overcasting

verb / ˌəʊvəˈkɑːst/

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

noun / ˈəʊvəˌkɑːst/

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