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CEFR word level
What CEFR level is “diagnosis”?
Estimated level
C1
advanced
“diagnosis” is roughly the #4181 most common English word, which puts it at an estimated C1 level.
Meaning
noun. The identification of the nature and cause of an illness.
Example: He was given the wrong treatment due to an erroneous diagnosis.
How the level is decided
The level is an estimate based on word frequency: the more common a word is in everyday English, the lower its CEFR level. “diagnosis” sits in the C1 band. It is a quick guide for choosing what to study, not an official CEFR rating. Check any other word or a whole list with the word level checker.
Other C1 words to learn
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