Is “Mildew” a Scrabble word?
Yes
MILDEW
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 Mildew
/ˈmɪl.djuː/
noun
1.A growth of minute powdery or webby fungi, whitish or of different colors, found on various diseased or decaying substances.
verb
1.To taint with mildew.
2.To become tainted with mildew.