rut · noun /rʌt/Full view
in a rut
C2 in a bad situation where you do the same things all the time, or where it is impossible to make progress
Dictionary example:

He seems to be stuck in a rut at the moment.

Learner example:

Financial security, all the, let me call them, background benefits are important, but if you do not love what you do, soon you will become bitter, stuck in a rut or worse - you will suffer from depression. (Certificate of Proficiency in English; C2; Polish)

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