Is “Upended” a Scrabble word?
Yes
UPENDED
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 Upended
verb
1.To end up; to set on end.
2.To tip or turn over.
“When he upended the bottle of water over his sleeping sister, the lid popped off and surprised them both.”
3.To destroy, invalidate, overthrow, or defeat.
“The scientific evidence upended the popular myth.”