The phrase is used metaphorically to express waste of time with busy actions that don't lead to progress. Trying to get a toddler dressed feels like running round in circles.
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Frustration Connotation
Often indicates a person's frustration or exhaustion from lack of progress despite effort. After trying to fix the computer all morning, I'm running round in circles.
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Not Literal
Doesn't mean someone is physically running in circles; it's about feeling stuck in an activity. This project has me running round in circles; it's so complex.