- having the form of a circle; round: a circular tower.
- of or relating to a circle: a circular plane.
- moving in or forming a circle or a circuit: the circular rotation of the earth.
- moving or occurring in a cycle or round: the circular succession of the seasons.
- roundabout; indirect; circuitous: a circular route.
- of or relating to reasoning in which the conclusion is ostensibly proved, but in actuality it or its equivalent has been assumed as a premise.
- pertaining to a circle or set of persons.
- (of a letter, memorandum, etc.) addressed to a number of persons or intended for general circulation.
- a letter, advertisement, notice, or statement for circulation among the general public.
- of, involving, resembling, or shaped like a circle
- circuitous
- (of arguments) futile because the truth of the premises cannot be established independently of the conclusion
- travelling or occurring in a cycle
- (of letters, announcements, etc) intended for general distribution
- a printed or duplicated advertisement or notice for mass distribution
