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Meaning of NAK | Babel Free

Noun CEFR A2

Definitions

A negative ACK; a response indicating that a message was not fully received, or that there was a problem with the message.
A female yak.

CEFR level

A2

Elementary
This word is part of the CEFR A2 vocabulary — elementary level.

See also

naka nakabandi nakadashi Nakagawa Nakahara Nakai