Clear vs Clear as red flame

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

Clear

Top 1,000 (very common)A2adjective

Clear as red flame

Beyond 10,000 (less common)
Most common: Clear
 ClearClear as red flame
Pronunciation🇬🇧 /["/klɪə(r)/"]/🇺🇸 /["/klɪr/"]/🇬🇧 //klɪə əz rɛd fleɪm//🇺🇸 //klɪr æz rɛd fleɪm//
MeaningEasy to see through or understand.very easy to understand
ExampleThe sky is very clear today, perfect for a picnic.The instructions were clear as red flame to everyone.
RegisterNeutralNeutral
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelA2-
Part of speechadjective
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, ofas clear as can be, clear as day, clear as a bell
Antonymscloudy, unclear, muddy-
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.Confused with 'clear as mud', which means the opposite., Omitting the word 'as' when using the phrase.
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 when something is very obvious or easy to see. Avoid in formal writing.

See it in real clips

Clear
Clear as red flame

Frequently asked questions: Clear vs Clear as red flame

What's the difference between Clear and Clear as red flame?

Clear: Easy to see through or understand. Clear as red flame: very easy to understand

Which is more common: Clear and Clear as red flame?

Clear is the most common in everyday English.

Can you show an example of each?

Clear: The sky is very clear today, perfect for a picnic. Clear as red flame: The instructions were clear as red flame to everyone.

Can I use Clear and Clear as red flame interchangeably?

Not always. Clear and Clear as red flame 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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