Is “Banzai” a Scrabble word?
Yes
BANZAI
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 Banzai
/ˈbænˈzaɪ/
noun
1.A cry or cheer of "banzai", to express enthusiasm or celebrate victory.
2.A short form of banzai attack or banzai charge.
adjective
1.Thrill-seeking; wild.
interjection
1.A cry or cheer of enthusiasm, or to celebrate victory.