Is “Sackful” a Scrabble word?
Yes
SACKFUL
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 Sackful
noun
1.The amount a sack will contain.
“A sackful of sand won't help the soil here much, but a dump truck full would.”
2.A large number or amount (of something).