2. repeating itself; ending in itself; reverting to the point of beginning; hence, illogical; inconclusive; as, circular reasoning.
3. Adhering to a fixed circle of legends; cyclic; hence, mean; inferior. See Cyclic poets, under Cyclic.
Had Virgil been a circular poet, and closely adhered to history, how could the Romans have had Dido?
Dennis.
4. Addressed to a circle, or to a number of persons having a common interest; circulated, or intended for circulation; as, a circular letter.
A proclamation of Henry III., . . . doubtless circular throughout England.
Hallam.