Is “Overdue” a Scrabble word?
Yes
OVERDUE
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 Overdue
/ˌəʊ.vəˈdju/
adjective
1.Late; especially, past a deadline or too late to fulfill a need.
“his library books were three days overdue; my car is overdue for an oil change; she finally left on a long overdue vacation”