Is “Underprop” a Scrabble word?
Yes
UNDERPROP
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 Underprop
verb
1.To prop from beneath; to put a prop under; to support; to uphold, prop up.