Is “Leitmotif” a Scrabble word?
Yes
LEITMOTIF
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 Leitmotif
/ˈlaɪt.məʊˌtiːf/
noun
1.A melodic theme associated with a particular character, place, thing or idea in an opera.
2.A recurring theme.