in the form of, or bounded by, a circle; round.-repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.-adhering to a fixed circle of legends; cyclic; hence, mean; inferior. see cyclic poets, under cyclic.-addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.-perfect; complete.-a circular letter, or paper, usually printed, copies of which are addressed or given to various persons; as, a business circular.-a sleeveless cloak, cut in circular form.