minister B2

/ˈmɪn.əˌstɚ/ A senior politician in charge of a government department.

minor B1

/ˈmaɪ.nəɹ/ Small or not very important.

minimum B1

/ˈmɪnəməm/ The smallest amount or lowest level that is possible or allowed.

minus B1

/ˈmɑe.nəs/ Made smaller by taking away a number; less.

minimal C1

/ˈmɪn.ə.məl/ As small as possible; very little in amount or degree.