Is “Firm” a Scrabble word?
Yes
FIRM
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 Firm
noun
1.A business partnership; the name under which it trades.
2.A business enterprise, however organized.
3.A criminal gang, especially based around football hooliganism.