DNU

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DNU

An initialism of "do not use," used in reference to workers in a certain field who have been blacklisted by an employer or group of employers. Often used informally as a verb. After getting lots of complaints from patients about inappropriate behavior, the nurse was marked as DNU across the local healthcare sector. I got DNU'd after I refused to sign the newspaper's nondisclosure agreement and went public with the story.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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