Is “Bounciest” a Scrabble word?
Yes
BOUNCIEST
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Bounciest
/ˈbaʊnsi.ɪst/
adjective
1.Easily bounced.
“You can't play tennis without a bouncy ball.”
2.Lively, exuberant, energetic.
“She's a very bouncy character.”