Is “Fiefdom” a Scrabble word?
Yes
FIEFDOM
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 Fiefdom
/ˈfiːf.dəm/
noun
1.The estate controlled by a feudal lord; a fief.
“The duke's fiefdom had been greatly expanded as a reward for his dutiful military service on behalf of the king.”
2.(by extension) Any organization in the control of a dominant individual.
“Most of our company's computers are standardized, but the IT director allows the employees in his own little fiefdom to specify their own machines.”