IPA: /ˈbaʊnsi.nəs/
KK: /ˈbaʊnsiˌnɛs/
The quality or state of being able to bounce or spring back after being pressed or hit.
The bounciness of the trampoline made it fun to jump on.
Bounciness → It is formed from "bounce" (of uncertain origin, possibly imitative of the sound of bouncing) and "-iness" (a suffix meaning the quality of). The word "bounciness" refers to the quality of being able to bounce.
Think of the action of bouncing and remember that bounciness describes the quality of being able to bounce.