Is “Vacuous” a Scrabble word?
Yes
VACUOUS
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 Vacuous
/ˈvækju.əs/
adjective
1.Empty; void; lacking meaningful content.
2.Showing a lack of thought or intelligence; vacant