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Meaning of undef | Babel Free

Adjective CEFR B1

Definitions

Abbreviation of undefined.

abbreviation, alt-of, not-comparable

CEFR level

B1

Intermediate
This word is part of the CEFR B1 vocabulary — intermediate level.

See also

undefaceable undefaced undefalcated undefamed undefatigable undefaulted