: shaped like a circle or part of a circle
: moving or going around in a circle
: incorrectly using a statement that may not be true to prove an idea or thought that would be false if the original statement was not true
: a printed sheet (such as an advertisement) that is given or sent to many people at the same time
What made you want to look up circular? Please tell us where you read or heard it (including the quote, if possible).