a habit or pattern of behaviour that has become dull and unproductive but is hard to change
the administration was stuck in a rut and was losing its direction
we were ready to settle down into a comfortable middle-aged, middle-class rut
an annual period of sexual activity in deer and some other mammals, during which the males fight each other for access to the females
a moose in rut
(of a deer or other mammal) engage in the rut or annual period of sexual activity
researchers say the deer are rutting earlier
rutting stags