get (someone or something) under (one's) control

get (someone or something) under (one's) control

1. To assume a position of power over a person, group, or thing. I think you'll have a hard time getting the department under your control—they're very loyal to their old boss.
2. To have power over someone or something so as to limit their or its potential negative effects. In this usage, a pronoun is not used between "under" and "control." Thankfully, the teacher was able to get all the screaming kids under control.
See also: control, get

bring/get/keep something under conˈtrol

succeed in dealing with something so that it does not cause any harm: It took two hours to bring the fire under control.Please keep your dog under control!
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