CEFR word level
What CEFR level is “underground”?
Estimated level
C1
advanced
“underground” is roughly the #4180 most common English word, which puts it at an estimated C1 level.
Meaning
noun. (with definite article) A movement or organisation of people who resist political convention.
Example: The French underground during World War II.
Similar words: avant-garde, counterculture, resistance.
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. “underground” 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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