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Meaning of tough nut | Babel Free

Noun CEFR B2

Definitions

Synonym of tough nut to crack (“person, etc. difficult to deal with”).

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

tough nut to crack tough pill to swallow tough road to hoe tough sell tough shit tough sledding