Grey vs Overcast

When to use each in English, with meaning, register, and examples.

Grey

Top 3,000 (common)A1adjective

Overcast

Beyond 10,000 (less common)
Most common: Grey
 GreyOvercast
Pronunciation🇬🇧 /["/ɡreɪ/"]/🇺🇸 /["/ɡreɪ/"]/🇬🇧 //əʊvəˈkɑːst//🇺🇸 //oʊvərˈkæst//
MeaningA color that is a mix of black and white.Dark and cloudy weather, with no sunlight.
ExampleThe sky is grey today, which makes it feel a bit gloomy.The sky was overcast all day, making it feel quite gloomy.
RegisterNeutralNeutral
How commonTop 3,000 (common)Beyond 10,000 (less common)
CEFR levelA1-
Part of speechadjective
Collocationsuniformly, very, quite, dark, light, pale, be, go, turn, very, quite, slightlyovercast skies, overcast conditions, overcast day, overcast weather, overcast morning
Antonymscolorful, bright, vibrant-
Common mistakesSpelling it as 'gray' instead of 'grey' in British English., Confusing 'grey' with 'gray'; both are correct but vary by region., Using 'grey' to describe something colorful; it's a dull color.Confused with 'cloudy' - 'overcast' means completely covered with clouds., Using it in non-weather contexts incorrectly., Assuming it means rain when it may not.
Usage notesUse 'grey' when describing an object, mood, or color. Avoid using it in slang or informal contexts unless it's a creative expression.Used to describe the weather; appropriate for both formal and informal contexts. Avoid using it for clear or sunny conditions.

Frequently asked questions: Grey vs Overcast

What's the difference between Grey and Overcast?

Grey: A color that is a mix of black and white. Overcast: Dark and cloudy weather, with no sunlight.

Which is more common: Grey and Overcast?

Grey is the most common in everyday English.

Can I use Grey and Overcast interchangeably?

Not always. Grey and Overcast are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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