Is “Chockablock” a Scrabble word?
Yes
CHOCKABLOCK
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 Chockablock
/ˈtʃɒkəˌblɒk/
adjective
1.(of a ship's hoisting tackle) Having the blocks drawn close together so no further movement is possible, as when the tackle is hauled to the utmost.
2.(by extension) Jammed tightly together; very crowded; completely filled or stuffed.
“Some of Sardinia's gorgeous seaside towns have lately been invaded by builders who erected chockablock housing that catered to middle-income tourists but threatened to spoil the landscape.”
adverb
1.In a crowded manner; as completely or closely as possible.
“His study had books stacked chockablock on every shelf.”