·noun Openess; plainess; boldness; positiveness; as, the roundness of an Assertion.
II. Roundness ·noun Fullness; smoothness of flow; as, the roundness of a period; the roundness of a note; roundness of tone.
III. Roundness ·noun The quality or state of being round in shape; as, the roundness of the globe, of the orb of the sun, of a ball, of a bowl, a column, ·etc.