noun, plural ro·tun·di·ties.

the condition or quality of roundness or plumpness, as of an object or person.
fullness, as in tone or speech.
a full or rounded tone, phrase, or the like: oratorical rotundities.

Sometimes ro·tund·ness [roh-tuhnd-nis] /roʊˈtʌnd nɪs/.

Origin of rotundity

From the Latin word rotunditās, dating back to 1580–90. See rotund, -ity
Related formssub·ro·tun·di·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rotundity

Historical Examples of rotundity

Word Origin and History for rotundity

1580s, from Latin rotunditas "roundness," from rotundus "round" (see rotund).

Online Etymology Dictionary, © 2010 Douglas Harper