Is “Jackhammered” a Scrabble word?
Yes
JACKHAMMERED
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 Jackhammered
verb
1.To use a jackhammer.
2.To break (something) using a jackhammer.
3.To form (something) using a jackhammer.