Is “Shadowiest” a Scrabble word?
Yes
SHADOWIEST
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 Shadowiest
adjective
1.In shadow; darkened by shadows.
“He sat in a shadowy corner.”
2.(of character) Dark, obscure.
“He was a shadowy man who rarely spoke.”
3.Indulging in fancies; daydreaming.