Is “Upsized” a Scrabble word?
Yes
UPSIZED
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 Upsized
verb
1.To make larger or more numerous.
2.To become larger or more numerous; to change to something larger, such as a house.