Seemingly trapped or stuck in a non-changing pattern of life, work, or behavior. Primarily heard in UK. I had so many ambitions when I first graduated from college, but now I feel like I'm stuck in a groove. We're stuck in a groove, Sally—let's move abroad for the summer and shake things up! The touchy relations between the two countries have been stuck in a groove ever since the new president backpedaled on his predecessor's commitments to a new trade deal.