The fullness of a tone of voice:
— There is a musky roundness to his wordiness.

synonym: rotundity.

Roget 247: circularity, roundness; rotundity etc. 249.    circle, circlet, ring, areola, hoop, roundlet^†, annulus, annulet^†, bracelet, armlet; ringlet; eye, loop, wheel; cycle, orb, orbit, rundle, zone, belt, cordon, band; contrate wheel^†, crown wheel; hub; nave; sash, girdle, cestus^†, cincture, baldric, fillet, fascia, wreath, garland; crown, corona, coronet, chaplet, snood, necklace, collar; noose, lasso, lassoo^†.    ellipse, oval, ovule; ellipsoid, cycloid; epicycloid [Geom.], epicycle; semicircle; quadrant, sextant, sector.    sphere etc. 249.    ... show more

Roget 249: rotundity; roundness etc. adj.; cylindricity^†; sphericity, spheroidity^†; globosity^†.    cylinder, cylindroid^†, cylindrical; barrel, drum; roll, roller; rouleau^†, column, rolling-pin, rundle.    cone, conoid^†; pear shape, egg shape, bell shape.    sphere, globe, ball, boulder, bowlder^†; spheroid, ellipsoid; oblong spheroid; oblate spheroid, prolate spheroid; drop, spherule, globule, vesicle, bulb, bullet, pellet, pelote^†, clew, pill, marble, pea, knob, pommel, horn; knot (convolution) 248.    curved surface, hypersphere; hyperdimensional surface.    ... show more

The quality of being round numbers.

The property possessed by a line or surface that is curved and not angular.

Polish: okrągłość

The bodily property of being well rounded.

synonyms: embonpoint, plumpness.

Polish: pulchność, tęgość