Is “Undrunk” a Scrabble word?
Yes
UNDRUNK
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 Undrunk
adjective
1.(Of a drink) Not having been drunk.
“He left his cup of tea undrunk.”