Dull vs Gray

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

Dull

Top 2,000 (common)B2adjective

Gray

Top 1,000 (very common)A1adjective
Most common: Gray
 DullGray
Pronunciation🇬🇧 /["/dʌl/"]/🇺🇸 /["/dʌl/"]/🇬🇧 /["/ɡreɪ/"]/🇺🇸 /["/ɡreɪ/"]/
MeaningNot interesting or exciting; boring.A color that is a mix of black and white.
ExampleThe knife is too dull to cut through the cardboard.The sky is often gray before it rains.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB2A1
Part of speechadjectiveadjective
Collocationsappear, be, look, extremely, fairly, verygray sky, gray hair, gray area
Antonymsexciting, interesting, livelycolorful, bright, vivid
Common mistakesConfused with 'dull' vs 'dole', Using 'dull' to describe food that is flavorless (use 'bland'), Saying 'more dull' instead of 'duller''Gray' is sometimes confused with 'grey' (British spelling)., 'Gray' can be used as both an adjective and a noun, but learners sometimes forget to use it as a noun.
Usage notesUse 'dull' to describe something boring or lacking excitement. It can refer to activities, objects, or even periods in time. Avoid using it for formal or positive contexts.Use 'gray' to describe things like weather, objects, or emotions. It's suitable for most contexts, but avoid using overly casual language when describing important things in a formal setting.

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Dull

Frequently asked questions: Dull vs Gray

What's the difference between Dull and Gray?

Dull: Not interesting or exciting; boring. Gray: A color that is a mix of black and white.

Which is more common: Dull and Gray?

Gray is the most common in everyday English.

Which is more advanced: Dull and Gray?

Dull is the highest level, at B2, on the CEFR scale.

Are Dull and Gray the same CEFR level?

Dull: B2, Gray: A1 on the CEFR scale.

What part of speech are Dull and Gray?

Dull: adjective, Gray: adjective.

Can you show an example of each?

Dull: The knife is too dull to cut through the cardboard. Gray: The sky is often gray before it rains.

Can I use Dull and Gray interchangeably?

Not always. Dull and Gray 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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