Is “Insufficiency” a Scrabble word?
Yes
INSUFFICIENCY
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 Insufficiency
noun
1.The lack of sufficiency; a shortage or inadequacy.
“The troops went hungry because of the insufficiency of their supplies.”
Synonyms: unsufficiency