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Meaning of know ball | Babel Free

Verb CEFR B2

Definitions

Synonym of know one's stuff.
intransitive, slang
Used other than figuratively or idiomatically: see know, ball; to be knowledgeable about a ball sport.

CEFR level

B2

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

See also

know beans about know better know every trick in the book know fine well know from a bar of soap know full well