Is “Dumbs” a Scrabble word?
Yes
DUMBS
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 Dumbs
verb
1.To silence.
2.To make stupid.
3.To represent as stupid.