set (someone or something) loose(redirected from set one loose)
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set (someone or something) loose
To make free or give up control of something or someone; to release or discharge something or someone, as from confinement. Due to a lack of evidence, the suspects were set loose by police. Samantha was suspended for setting mice loose throughout the school.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.