1. To assume a position of power over a person, group, or thing. The terms of the treaty bring our country under the king's control. I think you'll have a hard time bringing the department under your control—they're very loyal to their old boss.

2. To assert control over someone or something, especially to limit their or its actions or potentially negative effects. In this usage, a pronoun does not need to be used between "under" and "control." Thankfully, the teacher was able to bring all the screaming kids under 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.

1. To assume a position of power over a person, group, or thing. The terms of the treaty keep our country under the king's control. I think you'll have a hard time keeping 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 keep all the kids under control during the evacuation.