Is “Sulk” a Scrabble word?
Yes
SULK
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 Sulk
/sʌlk/
noun
1.A state of sulking.
“Leo has been in a sulk all morning.”
verb
1.To express ill humor or offence by remaining sullenly silent or withdrawn.