- 1shaped like a circle; round a circular building
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- 2moving around in a circle a circular tour of the city Using small circular movements, massage the muscles on either side of the spine.
- 3(of an argument or a theory) using an idea or a statement to prove something that is then used to prove the idea or statement at the beginning
NAmE//ˌsərkyəˈlærət̮i//
noun [uncountable] There is a dangerous circularity about this argument.See circular in the Oxford Advanced Learner's DictionaryCheck pronunciation: circular