Is “Yappier” a Scrabble word?
Yes
YAPPIER
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 Yappier
adjective
1.Of a dog, yapping in an annoying manner.
2.Very talkative; talking foolishly or at length.