Is “Hyperextend” a Scrabble word?
Yes
HYPEREXTEND
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 Hyperextend
verb
1.To extend a joint beyond its normal position in a way that stresses the ligaments, often causing injury