Is “Dunno” a Scrabble word?
Yes
DUNNO
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 Dunno
/dəˈnəʊ/
noun
1.An utterance of the word dunno.