Is “Semi” a Scrabble word?
Yes
SEMI
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 Semi
noun
1.A semi-detached house.
2.A semitrailer; a tractor-trailer; an eighteen-wheeler; an artic.
3.A semifinal.