1. To organize and to control something in a strict manner: The parents carefully regiment the diet of their children so they can grow up healthy and strong.
2. To control the behavior of people in a very firm way: Some people criticized the way the company regimented its employees.

Mary asked, "Are they regimenting the way you do your work, too?"

Regarding something that is very strictly organized or controlled: Todd survived the regimented life of as a longterm prisoner.

Kate learned to appreciate her regimented military career.