Is “Halfpennyworth” a Scrabble word?
Yes
HALFPENNYWORTH
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 Halfpennyworth
/ˈhɛɪpnɪwəθ/
noun
1.As much as could be bought for a halfpenny (pre- or post-decimalisation).
2.A negligible amount.
“he's never been a ha'p'orth of bother”