In a settled or established habit or course of action, especially a boring one. For example, We go to the seashore every summer—we're in a rut, or After ten years at the same job she says she's in a rut. This expression alludes to having a wheel stuck in a groove in the road. [

Was in a rut idiom?

Idiom: (stuck) in a rut

doing the same thing for a very long time so that it's no longer interesting. a situation that is boring or fixed and difficult to change.

Is it worse to be in a rut meaning?

to not have changed what you do or how you do it for a very long time so that it is not interesting any longer: I was in a rut and couldn't get out of it.