swingingness en · NOUN
Etymology
From swinging + -ness.
Meanings
-
(uncountable) The quality of being swinging.
These and other writers also consciously strive for jazz's full-bodied swingingness, its danciness, its range of allusion, its trickbag of quicksilver improvisational impulses.
1998, Robert G. O'Meally, The Jazz Cadence of American Culture, page 536: