It was so clear vs Plain

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

It was so clear

Top 2,000 (common)

Plain

Top 1,000 (very common)B2adjective
Most common: Plain
 It was so clearPlain
Pronunciation🇬🇧 //ɪt wəz səʊ klɪə//🇺🇸 //ɪt wəz soʊ klɪr//🇬🇧 /["/pleɪn/"]/🇺🇸 /["/pleɪn/"]/
MeaningIt was really obvious or easy to understand.Simple and without decoration.
ExampleAfter reviewing the data, it was so clear that we needed a new strategy.The design was quite plain, lacking any decorative elements.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-B2
Part of speechadjective
Collocationsso clear that, it was clear from, make it clearbe, 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
Antonyms-fancy, ornate, complicated
Common mistakesUsing in a context where clarity is unnecessary., Confusing with 'so clear that' which indicates a reason., Overusing it in a single conversation.'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 in both spoken and written contexts to express clarity. Appropriate for most situations but avoid in overly formal writing.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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It was so clear
Plain

Frequently asked questions: It was so clear vs Plain

What's the difference between It was so clear and Plain?

It was so clear: It was really obvious or easy to understand. Plain: Simple and without decoration.

Which is more common: It was so clear and Plain?

Plain is the most common in everyday English.

Can you show an example of each?

It was so clear: After reviewing the data, it was so clear that we needed a new strategy. Plain: The design was quite plain, lacking any decorative elements.

Can I use It was so clear and Plain interchangeably?

Not always. It was so 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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