Is “Roil” a Scrabble word?
Yes
ROIL
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 Roil
verb
1.To render turbid by stirring up the dregs or sediment of.
“To roil a spring.”
2.To annoy; to make someone angry.
3.To bubble, seethe.
Synonyms: agitate, irritate, rile