Is “Rah” a Scrabble word?
Yes
RAH
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 Rah
/ɹɑː/
noun
1.A person (especially a student) with a posh accent who looks down on those who are "common".
adjective
1.Posh.
interjection
1.An exclamation of encouragement.