Clear vs Plain

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

Clear

Top 1,000 (very common)A2adjective

Plain

Top 1,000 (very common)B2adjective
 ClearPlain
Pronunciation🇬🇧 /["/klɪə(r)/"]/🇺🇸 /["/klɪr/"]/🇬🇧 /["/pleɪn/"]/🇺🇸 /["/pleɪn/"]/
MeaningEasy to see through or understand.Simple and without decoration.
ExampleThe sky is very clear today, perfect for a picnic.The design was quite plain, lacking any decorative elements.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Top 1,000 (very common)
CEFR levelA2B2
Part of speechadjectiveadjective
Collocationsbe, seem, become, extremely, fairly, very, to, clear and concise, be, seem, become, extremely, fairly, very, to, clear and concise, be, extremely, fairly, very, about, on, be, look, become, extremely, fairly, very, loud and clear, be, become, extremely, fairly, very, be, look, seem, completely, fairly, pretty, ofbe, look, seem, extremely, fairly, very, plain blue, white, etc., be, look, seem, extremely, fairly, very, plain blue, white, etc., be, seem, become, fairly, very, etc., to
Antonymscloudy, unclear, muddyfancy, ornate, complicated
Common mistakes'Clear' is often confused with 'clean.', 'Clear' is sometimes incorrectly used as a verb instead of an adjective., Learners may forget to use 'clear' to describe abstract concepts, like thoughts.'Plain' is often confused with 'plane' in spelling., Learners might use 'plain' to describe flavor instead of 'bland'., Some use 'plain' incorrectly to mean 'clear' instead of simple.
Usage notesUse 'clear' to describe something easily understood or free of obstructions. It’s appropriate in both casual and formal contexts. Avoid using it in overly technical discussions where precision matters.Use 'plain' to describe something that is straightforward or lacks complexity. It's often used in both written and spoken contexts, suitable for everyday conversation or descriptions.

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Clear
Plain

Frequently asked questions: Clear vs Plain

What's the difference between Clear and Plain?

Clear: Easy to see through or understand. Plain: Simple and without decoration.

Which is more advanced: Clear and Plain?

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

Are Clear and Plain the same CEFR level?

Clear: A2, Plain: B2 on the CEFR scale.

What part of speech are Clear and Plain?

Clear: adjective, Plain: adjective.

Can you show an example of each?

Clear: The sky is very clear today, perfect for a picnic. Plain: The design was quite plain, lacking any decorative elements.

Can I use Clear and Plain interchangeably?

Not always. Clear and Plain 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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