Is “Syllabub” a Scrabble word?
Yes
SYLLABUB
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 Syllabub
/ˈsɪ.lə.bʌb/
noun
1.A drink dating back to the 16th century consisting primarily of milk curdled with an alcoholic beverage or some acid such as lemon juice, which is usually then sweetened and spiced.
2.Also everlasting syllabub or solid syllabub: a dessert pudding derived from the drink.
3.Something lacking substance; something frothy, insubstantial, or lightweight.